261935362

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1\times {\mathrm{677}}^1$

素因数の和:1362

約数の個数: 32

約数和(自身を含む): 442858752

約数和(自身を除く): 180923390

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 647, 677, 1294, 1354, 8411, 8801, 14881, 15571, 16822, 17602, 29762, 31142, 193453, 202423, 386906, 404846, 438019, 876038, 5694247, 10074437, 11388494, 20148874, 130967681, 261935362]

約数ペア:

[(1, 261935362), (2, 130967681), (13, 20148874), (23, 11388494), (26, 10074437), (46, 5694247), (299, 876038), (598, 438019), (647, 404846), (677, 386906), (1294, 202423), (1354, 193453), (8411, 31142), (8801, 29762), (14881, 17602), (15571, 16822)]