262406816

素因数分解:

$2^5\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{53}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 648611712

約数和(自身を除く): 386204896

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 32, 46, 53, 56, 62, 92, 106, 112, 124, 161, 184, 212, 217, 224, 248, 322, 368, 371, 424, 434, 496, 644, 713, 736, 742, 848, 868, 961, 992, 1219, 1288, 1426, 1484, 1643, 1696, 1736, 1922, 2438, 2576, 2852, 2968, 3286, 3472, 3844, 4876, 4991, 5152, 5704, 5936, 6572, 6727, 6944, 7688, 8533, 9752, 9982, 11408, 11501, 11872, 13144, 13454, 15376, 17066, 19504, 19964, 22103, 22816, 23002, 26288, 26908, 30752, 34132, 37789, 39008, 39928, 44206, 46004, 50933, 52576, 53816, 68264, 75578, 79856, 88412, 92008, 101866, 107632, 136528, 151156, 154721, 159712, 176824, 184016, 203732, 215264, 264523, 273056, 302312, 309442, 353648, 356531, 368032, 407464, 529046, 604624, 618884, 707296, 713062, 814928, 1058092, 1171459, 1209248, 1237768, 1426124, 1629856, 2116184, 2342918, 2475536, 2852248, 4232368, 4685836, 4951072, 5704496, 8200213, 8464736, 9371672, 11408992, 16400426, 18743344, 32800852, 37486688, 65601704, 131203408, 262406816]

約数ペア:

[(1, 262406816), (2, 131203408), (4, 65601704), (7, 37486688), (8, 32800852), (14, 18743344), (16, 16400426), (23, 11408992), (28, 9371672), (31, 8464736), (32, 8200213), (46, 5704496), (53, 4951072), (56, 4685836), (62, 4232368), (92, 2852248), (106, 2475536), (112, 2342918), (124, 2116184), (161, 1629856), (184, 1426124), (212, 1237768), (217, 1209248), (224, 1171459), (248, 1058092), (322, 814928), (368, 713062), (371, 707296), (424, 618884), (434, 604624), (496, 529046), (644, 407464), (713, 368032), (736, 356531), (742, 353648), (848, 309442), (868, 302312), (961, 273056), (992, 264523), (1219, 215264), (1288, 203732), (1426, 184016), (1484, 176824), (1643, 159712), (1696, 154721), (1736, 151156), (1922, 136528), (2438, 107632), (2576, 101866), (2852, 92008), (2968, 88412), (3286, 79856), (3472, 75578), (3844, 68264), (4876, 53816), (4991, 52576), (5152, 50933), (5704, 46004), (5936, 44206), (6572, 39928), (6727, 39008), (6944, 37789), (7688, 34132), (8533, 30752), (9752, 26908), (9982, 26288), (11408, 23002), (11501, 22816), (11872, 22103), (13144, 19964), (13454, 19504), (15376, 17066)]