138673444

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{380971}}^1$

素因数の和:380995

約数の個数: 24

約数和(自身を含む): 298682048

約数和(自身を除く): 160008604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 380971, 761942, 1523884, 2666797, 4952623, 5333594, 9905246, 10667188, 19810492, 34668361, 69336722, 138673444]

約数ペア:

[(1, 138673444), (2, 69336722), (4, 34668361), (7, 19810492), (13, 10667188), (14, 9905246), (26, 5333594), (28, 4952623), (52, 2666797), (91, 1523884), (182, 761942), (364, 380971)]