279587984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2212

約数の個数: 80

約数和(自身を含む): 634678128

約数和(自身を除く): 355090144

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 37, 52, 68, 74, 104, 136, 148, 208, 221, 272, 296, 442, 481, 592, 629, 884, 962, 1258, 1768, 1924, 2137, 2516, 3536, 3848, 4274, 5032, 7696, 8177, 8548, 10064, 16354, 17096, 27781, 32708, 34192, 36329, 55562, 65416, 72658, 79069, 111124, 130832, 145316, 158138, 222248, 290632, 316276, 444496, 472277, 581264, 632552, 944554, 1027897, 1265104, 1344173, 1889108, 2055794, 2688346, 3778216, 4111588, 5376692, 7556432, 8223176, 10753384, 16446352, 17474249, 21506768, 34948498, 69896996, 139793992, 279587984]

約数ペア:

[(1, 279587984), (2, 139793992), (4, 69896996), (8, 34948498), (13, 21506768), (16, 17474249), (17, 16446352), (26, 10753384), (34, 8223176), (37, 7556432), (52, 5376692), (68, 4111588), (74, 3778216), (104, 2688346), (136, 2055794), (148, 1889108), (208, 1344173), (221, 1265104), (272, 1027897), (296, 944554), (442, 632552), (481, 581264), (592, 472277), (629, 444496), (884, 316276), (962, 290632), (1258, 222248), (1768, 158138), (1924, 145316), (2137, 130832), (2516, 111124), (3536, 79069), (3848, 72658), (4274, 65416), (5032, 55562), (7696, 36329), (8177, 34192), (8548, 32708), (10064, 27781), (16354, 17096)]