278648748

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{122861}}^1$

素因数の和:122884

約数の個数: 60

約数和(自身を含む): 832512912

約数和(自身を除く): 553864164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 122861, 245722, 368583, 491444, 737166, 860027, 1105749, 1474332, 1720054, 2211498, 2580081, 3317247, 3440108, 4422996, 5160162, 6634494, 7740243, 9951741, 10320324, 13268988, 15480486, 19903482, 23220729, 30960972, 39806964, 46441458, 69662187, 92882916, 139324374, 278648748]

約数ペア:

[(1, 278648748), (2, 139324374), (3, 92882916), (4, 69662187), (6, 46441458), (7, 39806964), (9, 30960972), (12, 23220729), (14, 19903482), (18, 15480486), (21, 13268988), (27, 10320324), (28, 9951741), (36, 7740243), (42, 6634494), (54, 5160162), (63, 4422996), (81, 3440108), (84, 3317247), (108, 2580081), (126, 2211498), (162, 1720054), (189, 1474332), (252, 1105749), (324, 860027), (378, 737166), (567, 491444), (756, 368583), (1134, 245722), (2268, 122861)]