645978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:210

約数の個数: 32

約数和(自身を含む): 1400832

約数和(自身を除く): 754854

約数列:

[1, 2, 3, 6, 23, 31, 46, 62, 69, 93, 138, 151, 186, 302, 453, 713, 906, 1426, 2139, 3473, 4278, 4681, 6946, 9362, 10419, 14043, 20838, 28086, 107663, 215326, 322989, 645978]

約数ペア:

[(1, 645978), (2, 322989), (3, 215326), (6, 107663), (23, 28086), (31, 20838), (46, 14043), (62, 10419), (69, 9362), (93, 6946), (138, 4681), (151, 4278), (186, 3473), (302, 2139), (453, 1426), (713, 906)]