890395376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{4280747}}^1$

素因数の和:4280768

約数の個数: 20

約数和(自身を含む): 1857844632

約数和(自身を除く): 967449256

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 4280747, 8561494, 17122988, 34245976, 55649711, 68491952, 111299422, 222598844, 445197688, 890395376]

約数ペア:

[(1, 890395376), (2, 445197688), (4, 222598844), (8, 111299422), (13, 68491952), (16, 55649711), (26, 34245976), (52, 17122988), (104, 8561494), (208, 4280747)]