256508868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{25237}}^1$

素因数の和:25273

約数の個数: 72

約数和(自身を含む): 751890496

約数和(自身を除く): 495381628

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 231, 242, 308, 363, 462, 484, 726, 847, 924, 1452, 1694, 2541, 3388, 5082, 10164, 25237, 50474, 75711, 100948, 151422, 176659, 277607, 302844, 353318, 529977, 555214, 706636, 832821, 1059954, 1110428, 1665642, 1943249, 2119908, 3053677, 3331284, 3886498, 5829747, 6107354, 7772996, 9161031, 11659494, 12214708, 18322062, 21375739, 23318988, 36644124, 42751478, 64127217, 85502956, 128254434, 256508868]

約数ペア:

[(1, 256508868), (2, 128254434), (3, 85502956), (4, 64127217), (6, 42751478), (7, 36644124), (11, 23318988), (12, 21375739), (14, 18322062), (21, 12214708), (22, 11659494), (28, 9161031), (33, 7772996), (42, 6107354), (44, 5829747), (66, 3886498), (77, 3331284), (84, 3053677), (121, 2119908), (132, 1943249), (154, 1665642), (231, 1110428), (242, 1059954), (308, 832821), (363, 706636), (462, 555214), (484, 529977), (726, 353318), (847, 302844), (924, 277607), (1452, 176659), (1694, 151422), (2541, 100948), (3388, 75711), (5082, 50474), (10164, 25237)]