28777476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 88416384

約数和(自身を除く): 59638908

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 19, 21, 26, 28, 38, 39, 42, 52, 57, 73, 76, 78, 84, 91, 114, 133, 146, 156, 182, 219, 228, 247, 266, 273, 292, 361, 364, 399, 438, 494, 511, 532, 546, 722, 741, 798, 876, 949, 988, 1022, 1083, 1092, 1387, 1444, 1482, 1533, 1596, 1729, 1898, 2044, 2166, 2527, 2774, 2847, 2964, 3066, 3458, 3796, 4161, 4332, 4693, 5054, 5187, 5548, 5694, 6132, 6643, 6916, 7581, 8322, 9386, 9709, 10108, 10374, 11388, 13286, 14079, 15162, 16644, 18031, 18772, 19418, 19929, 20748, 26353, 26572, 28158, 29127, 30324, 32851, 36062, 38836, 39858, 52706, 54093, 56316, 58254, 65702, 72124, 79059, 79716, 98553, 105412, 108186, 116508, 126217, 131404, 158118, 184471, 197106, 216372, 252434, 316236, 342589, 368942, 378651, 394212, 504868, 553413, 685178, 737884, 757302, 1027767, 1106826, 1370356, 1514604, 2055534, 2213652, 2398123, 4111068, 4796246, 7194369, 9592492, 14388738, 28777476]

約数ペア:

[(1, 28777476), (2, 14388738), (3, 9592492), (4, 7194369), (6, 4796246), (7, 4111068), (12, 2398123), (13, 2213652), (14, 2055534), (19, 1514604), (21, 1370356), (26, 1106826), (28, 1027767), (38, 757302), (39, 737884), (42, 685178), (52, 553413), (57, 504868), (73, 394212), (76, 378651), (78, 368942), (84, 342589), (91, 316236), (114, 252434), (133, 216372), (146, 197106), (156, 184471), (182, 158118), (219, 131404), (228, 126217), (247, 116508), (266, 108186), (273, 105412), (292, 98553), (361, 79716), (364, 79059), (399, 72124), (438, 65702), (494, 58254), (511, 56316), (532, 54093), (546, 52706), (722, 39858), (741, 38836), (798, 36062), (876, 32851), (949, 30324), (988, 29127), (1022, 28158), (1083, 26572), (1092, 26353), (1387, 20748), (1444, 19929), (1482, 19418), (1533, 18772), (1596, 18031), (1729, 16644), (1898, 15162), (2044, 14079), (2166, 13286), (2527, 11388), (2774, 10374), (2847, 10108), (2964, 9709), (3066, 9386), (3458, 8322), (3796, 7581), (4161, 6916), (4332, 6643), (4693, 6132), (5054, 5694), (5187, 5548)]