261842634

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^1\times {\mathrm{317}}^1\times {\mathrm{421}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 575700840

約数和(自身を除く): 313858206

約数列:

[1, 2, 3, 6, 9, 18, 109, 218, 317, 327, 421, 634, 654, 842, 951, 981, 1263, 1902, 1962, 2526, 2853, 3789, 5706, 7578, 34553, 45889, 69106, 91778, 103659, 133457, 137667, 207318, 266914, 275334, 310977, 400371, 413001, 621954, 800742, 826002, 1201113, 2402226, 14546813, 29093626, 43640439, 87280878, 130921317, 261842634]

約数ペア:

[(1, 261842634), (2, 130921317), (3, 87280878), (6, 43640439), (9, 29093626), (18, 14546813), (109, 2402226), (218, 1201113), (317, 826002), (327, 800742), (421, 621954), (634, 413001), (654, 400371), (842, 310977), (951, 275334), (981, 266914), (1263, 207318), (1902, 137667), (1962, 133457), (2526, 103659), (2853, 91778), (3789, 69106), (5706, 45889), (7578, 34553)]