87351908

素因数分解:

$2^2\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1277}}^1$

素因数の和:1644

約数の個数: 36

約数和(自身を含む): 178472700

約数和(自身を除く): 91120792

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 349, 698, 1277, 1396, 2443, 2554, 4886, 5108, 8939, 9772, 17101, 17878, 34202, 35756, 62573, 68404, 125146, 250292, 445673, 891346, 1782692, 3119711, 6239422, 12478844, 21837977, 43675954, 87351908]

約数ペア:

[(1, 87351908), (2, 43675954), (4, 21837977), (7, 12478844), (14, 6239422), (28, 3119711), (49, 1782692), (98, 891346), (196, 445673), (349, 250292), (698, 125146), (1277, 68404), (1396, 62573), (2443, 35756), (2554, 34202), (4886, 17878), (5108, 17101), (8939, 9772)]