388996972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{751}}^1\times {\mathrm{1423}}^1$

素因数の和:2198

約数の個数: 48

約数和(自身を含む): 839544832

約数和(自身を除く): 450547860

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 751, 1423, 1502, 2846, 3004, 5257, 5692, 9763, 9961, 10514, 18499, 19526, 19922, 21028, 36998, 39052, 39844, 68341, 73996, 129493, 136682, 258986, 273364, 517972, 1068673, 2137346, 4274692, 7480711, 13892749, 14961422, 27785498, 29922844, 55570996, 97249243, 194498486, 388996972]

約数ペア:

[(1, 388996972), (2, 194498486), (4, 97249243), (7, 55570996), (13, 29922844), (14, 27785498), (26, 14961422), (28, 13892749), (52, 7480711), (91, 4274692), (182, 2137346), (364, 1068673), (751, 517972), (1423, 273364), (1502, 258986), (2846, 136682), (3004, 129493), (5257, 73996), (5692, 68341), (9763, 39844), (9961, 39052), (10514, 36998), (18499, 21028), (19526, 19922)]