1377993428

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{937}}^1\times {\mathrm{991}}^1$

素因数の和:1992

約数の個数: 48

約数和(自身を含む): 2813819904

約数和(自身を除く): 1435826476

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 937, 991, 1484, 1874, 1982, 3748, 3964, 6559, 6937, 13118, 13874, 26236, 27748, 49661, 52523, 99322, 105046, 198644, 210092, 347627, 367661, 695254, 735322, 928567, 1390508, 1470644, 1857134, 3714268, 6499969, 12999938, 25999876, 49214051, 98428102, 196856204, 344498357, 688996714, 1377993428]

約数ペア:

[(1, 1377993428), (2, 688996714), (4, 344498357), (7, 196856204), (14, 98428102), (28, 49214051), (53, 25999876), (106, 12999938), (212, 6499969), (371, 3714268), (742, 1857134), (937, 1470644), (991, 1390508), (1484, 928567), (1874, 735322), (1982, 695254), (3748, 367661), (3964, 347627), (6559, 210092), (6937, 198644), (13118, 105046), (13874, 99322), (26236, 52523), (27748, 49661)]