201597955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 267986880

約数和(自身を除く): 66388925

約数列:

[1, 5, 13, 53, 65, 139, 265, 421, 689, 695, 1807, 2105, 3445, 5473, 7367, 9035, 22313, 27365, 36835, 58519, 95771, 111565, 290069, 292595, 478855, 760747, 1450345, 3101507, 3803735, 15507535, 40319591, 201597955]

約数ペア:

[(1, 201597955), (5, 40319591), (13, 15507535), (53, 3803735), (65, 3101507), (139, 1450345), (265, 760747), (421, 478855), (689, 292595), (695, 290069), (1807, 111565), (2105, 95771), (3445, 58519), (5473, 36835), (7367, 27365), (9035, 22313)]