643050974

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{617}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 1021628160

約数和(自身を除く): 378577186

約数列:

[1, 2, 23, 46, 139, 163, 278, 326, 617, 1234, 3197, 3749, 6394, 7498, 14191, 22657, 28382, 45314, 85763, 100571, 171526, 201142, 521111, 1042222, 1972549, 2313133, 3945098, 4626266, 13979369, 27958738, 321525487, 643050974]

約数ペア:

[(1, 643050974), (2, 321525487), (23, 27958738), (46, 13979369), (139, 4626266), (163, 3945098), (278, 2313133), (326, 1972549), (617, 1042222), (1234, 521111), (3197, 201142), (3749, 171526), (6394, 100571), (7498, 85763), (14191, 45314), (22657, 28382)]