636723136

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:215

約数の個数: 168

約数和(自身を含む): 1585545216

約数和(自身を除く): 948822080

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 56, 62, 64, 76, 112, 124, 127, 133, 152, 217, 224, 248, 254, 266, 304, 361, 434, 448, 496, 508, 532, 589, 608, 722, 868, 889, 992, 1016, 1064, 1178, 1216, 1444, 1736, 1778, 1984, 2032, 2128, 2356, 2413, 2527, 2888, 3472, 3556, 3937, 4064, 4123, 4256, 4712, 4826, 5054, 5776, 6944, 7112, 7874, 8128, 8246, 8512, 9424, 9652, 10108, 11191, 11552, 13888, 14224, 15748, 16492, 16891, 18848, 19304, 20216, 22382, 23104, 27559, 28448, 31496, 32984, 33782, 37696, 38608, 40432, 44764, 45847, 55118, 56896, 62992, 65968, 67564, 74803, 77216, 78337, 80864, 89528, 91694, 110236, 125984, 131936, 135128, 149606, 154432, 156674, 161728, 179056, 183388, 220472, 251968, 263872, 270256, 299212, 313348, 320929, 358112, 366776, 440944, 523621, 540512, 598424, 626696, 641858, 716224, 733552, 881888, 1047242, 1081024, 1196848, 1253392, 1283716, 1421257, 1467104, 1763776, 2094484, 2393696, 2506784, 2567432, 2842514, 2934208, 4188968, 4787392, 5013568, 5134864, 5685028, 8377936, 9948799, 10269728, 11370056, 16755872, 19897598, 20539456, 22740112, 33511744, 39795196, 45480224, 79590392, 90960448, 159180784, 318361568, 636723136]

約数ペア:

[(1, 636723136), (2, 318361568), (4, 159180784), (7, 90960448), (8, 79590392), (14, 45480224), (16, 39795196), (19, 33511744), (28, 22740112), (31, 20539456), (32, 19897598), (38, 16755872), (56, 11370056), (62, 10269728), (64, 9948799), (76, 8377936), (112, 5685028), (124, 5134864), (127, 5013568), (133, 4787392), (152, 4188968), (217, 2934208), (224, 2842514), (248, 2567432), (254, 2506784), (266, 2393696), (304, 2094484), (361, 1763776), (434, 1467104), (448, 1421257), (496, 1283716), (508, 1253392), (532, 1196848), (589, 1081024), (608, 1047242), (722, 881888), (868, 733552), (889, 716224), (992, 641858), (1016, 626696), (1064, 598424), (1178, 540512), (1216, 523621), (1444, 440944), (1736, 366776), (1778, 358112), (1984, 320929), (2032, 313348), (2128, 299212), (2356, 270256), (2413, 263872), (2527, 251968), (2888, 220472), (3472, 183388), (3556, 179056), (3937, 161728), (4064, 156674), (4123, 154432), (4256, 149606), (4712, 135128), (4826, 131936), (5054, 125984), (5776, 110236), (6944, 91694), (7112, 89528), (7874, 80864), (8128, 78337), (8246, 77216), (8512, 74803), (9424, 67564), (9652, 65968), (10108, 62992), (11191, 56896), (11552, 55118), (13888, 45847), (14224, 44764), (15748, 40432), (16492, 38608), (16891, 37696), (18848, 33782), (19304, 32984), (20216, 31496), (22382, 28448), (23104, 27559)]