261979848

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5281}}^1$

素因数の和:5359

約数の個数: 96

約数和(自身を含む): 778672440

約数和(自身を除く): 516692592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 53, 72, 78, 104, 106, 117, 156, 159, 212, 234, 312, 318, 424, 468, 477, 636, 689, 936, 954, 1272, 1378, 1908, 2067, 2756, 3816, 4134, 5281, 5512, 6201, 8268, 10562, 12402, 15843, 16536, 21124, 24804, 31686, 42248, 47529, 49608, 63372, 68653, 95058, 126744, 137306, 190116, 205959, 274612, 279893, 380232, 411918, 549224, 559786, 617877, 823836, 839679, 1119572, 1235754, 1647672, 1679358, 2239144, 2471508, 2519037, 3358716, 3638609, 4943016, 5038074, 6717432, 7277218, 10076148, 10915827, 14554436, 20152296, 21831654, 29108872, 32747481, 43663308, 65494962, 87326616, 130989924, 261979848]

約数ペア:

[(1, 261979848), (2, 130989924), (3, 87326616), (4, 65494962), (6, 43663308), (8, 32747481), (9, 29108872), (12, 21831654), (13, 20152296), (18, 14554436), (24, 10915827), (26, 10076148), (36, 7277218), (39, 6717432), (52, 5038074), (53, 4943016), (72, 3638609), (78, 3358716), (104, 2519037), (106, 2471508), (117, 2239144), (156, 1679358), (159, 1647672), (212, 1235754), (234, 1119572), (312, 839679), (318, 823836), (424, 617877), (468, 559786), (477, 549224), (636, 411918), (689, 380232), (936, 279893), (954, 274612), (1272, 205959), (1378, 190116), (1908, 137306), (2067, 126744), (2756, 95058), (3816, 68653), (4134, 63372), (5281, 49608), (5512, 47529), (6201, 42248), (8268, 31686), (10562, 24804), (12402, 21124), (15843, 16536)]