821036590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{1223}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 1713208320

約数和(自身を除く): 892171730

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 359, 374, 718, 935, 1223, 1795, 1870, 2446, 3590, 3949, 6103, 6115, 7898, 12206, 12230, 13453, 19745, 20791, 26906, 30515, 39490, 41582, 61030, 67133, 67265, 103955, 134266, 134530, 207910, 228701, 335665, 439057, 457402, 671330, 878114, 1143505, 2195285, 2287010, 4390570, 4829627, 7463969, 9659254, 14927938, 24148135, 37319845, 48296270, 74639690, 82103659, 164207318, 410518295, 821036590]

約数ペア:

[(1, 821036590), (2, 410518295), (5, 164207318), (10, 82103659), (11, 74639690), (17, 48296270), (22, 37319845), (34, 24148135), (55, 14927938), (85, 9659254), (110, 7463969), (170, 4829627), (187, 4390570), (359, 2287010), (374, 2195285), (718, 1143505), (935, 878114), (1223, 671330), (1795, 457402), (1870, 439057), (2446, 335665), (3590, 228701), (3949, 207910), (6103, 134530), (6115, 134266), (7898, 103955), (12206, 67265), (12230, 67133), (13453, 61030), (19745, 41582), (20791, 39490), (26906, 30515)]