181987312

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:195

約数の個数: 120

約数和(自身を含む): 419075856

約数和(自身を除く): 237088544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 107, 136, 148, 169, 208, 214, 221, 272, 296, 338, 428, 442, 481, 592, 629, 676, 856, 884, 962, 1258, 1352, 1391, 1712, 1768, 1819, 1924, 2516, 2704, 2782, 2873, 3536, 3638, 3848, 3959, 5032, 5564, 5746, 6253, 7276, 7696, 7918, 8177, 10064, 11128, 11492, 12506, 14552, 15836, 16354, 18083, 22256, 22984, 23647, 25012, 29104, 31672, 32708, 36166, 45968, 47294, 50024, 51467, 63344, 65416, 67303, 72332, 94588, 100048, 102934, 106301, 130832, 134606, 144664, 189176, 205868, 212602, 269212, 289328, 307411, 378352, 411736, 425204, 538424, 614822, 669071, 823472, 850408, 874939, 1076848, 1229644, 1338142, 1700816, 1749878, 2459288, 2676284, 3499756, 4918576, 5352568, 6999512, 10705136, 11374207, 13999024, 22748414, 45496828, 90993656, 181987312]

約数ペア:

[(1, 181987312), (2, 90993656), (4, 45496828), (8, 22748414), (13, 13999024), (16, 11374207), (17, 10705136), (26, 6999512), (34, 5352568), (37, 4918576), (52, 3499756), (68, 2676284), (74, 2459288), (104, 1749878), (107, 1700816), (136, 1338142), (148, 1229644), (169, 1076848), (208, 874939), (214, 850408), (221, 823472), (272, 669071), (296, 614822), (338, 538424), (428, 425204), (442, 411736), (481, 378352), (592, 307411), (629, 289328), (676, 269212), (856, 212602), (884, 205868), (962, 189176), (1258, 144664), (1352, 134606), (1391, 130832), (1712, 106301), (1768, 102934), (1819, 100048), (1924, 94588), (2516, 72332), (2704, 67303), (2782, 65416), (2873, 63344), (3536, 51467), (3638, 50024), (3848, 47294), (3959, 45968), (5032, 36166), (5564, 32708), (5746, 31672), (6253, 29104), (7276, 25012), (7696, 23647), (7918, 22984), (8177, 22256), (10064, 18083), (11128, 16354), (11492, 15836), (12506, 14552)]