261640258

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{3203}}^1$

素因数の和:3342

約数の個数: 32

約数和(自身を含む): 442920960

約数和(自身を除く): 181280702

約数列:

[1, 2, 11, 22, 47, 79, 94, 158, 517, 869, 1034, 1738, 3203, 3713, 6406, 7426, 35233, 40843, 70466, 81686, 150541, 253037, 301082, 506074, 1655951, 2783407, 3311902, 5566814, 11892739, 23785478, 130820129, 261640258]

約数ペア:

[(1, 261640258), (2, 130820129), (11, 23785478), (22, 11892739), (47, 5566814), (79, 3311902), (94, 2783407), (158, 1655951), (517, 506074), (869, 301082), (1034, 253037), (1738, 150541), (3203, 81686), (3713, 70466), (6406, 40843), (7426, 35233)]