256867488

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{28771}}^1$

素因数の和:28818

約数の個数: 72

約数和(自身を含む): 754056576

約数和(自身を除く): 497189088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 28771, 57542, 86313, 115084, 172626, 230168, 258939, 345252, 460336, 517878, 690504, 891901, 920672, 1035756, 1381008, 1783802, 2071512, 2675703, 2762016, 3567604, 4143024, 5351406, 7135208, 8027109, 8286048, 10702812, 14270416, 16054218, 21405624, 28540832, 32108436, 42811248, 64216872, 85622496, 128433744, 256867488]

約数ペア:

[(1, 256867488), (2, 128433744), (3, 85622496), (4, 64216872), (6, 42811248), (8, 32108436), (9, 28540832), (12, 21405624), (16, 16054218), (18, 14270416), (24, 10702812), (31, 8286048), (32, 8027109), (36, 7135208), (48, 5351406), (62, 4143024), (72, 3567604), (93, 2762016), (96, 2675703), (124, 2071512), (144, 1783802), (186, 1381008), (248, 1035756), (279, 920672), (288, 891901), (372, 690504), (496, 517878), (558, 460336), (744, 345252), (992, 258939), (1116, 230168), (1488, 172626), (2232, 115084), (2976, 86313), (4464, 57542), (8928, 28771)]