990820054

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{16903}}^1$

素因数の和:17044

約数の個数: 32

約数和(自身を含む): 1752606720

約数和(自身を除く): 761786666

約数列:

[1, 2, 7, 14, 53, 79, 106, 158, 371, 553, 742, 1106, 4187, 8374, 16903, 29309, 33806, 58618, 118321, 236642, 895859, 1335337, 1791718, 2670674, 6271013, 9347359, 12542026, 18694718, 70772861, 141545722, 495410027, 990820054]

約数ペア:

[(1, 990820054), (2, 495410027), (7, 141545722), (14, 70772861), (53, 18694718), (79, 12542026), (106, 9347359), (158, 6271013), (371, 2670674), (553, 1791718), (742, 1335337), (1106, 895859), (4187, 236642), (8374, 118321), (16903, 58618), (29309, 33806)]