66991310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{6971}}^1$

素因数の和:7040

約数の個数: 24

約数和(自身を含む): 124617528

約数和(自身を除く): 57626218

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 4805, 6971, 9610, 13942, 34855, 69710, 216101, 432202, 1080505, 2161010, 6699131, 13398262, 33495655, 66991310]

約数ペア:

[(1, 66991310), (2, 33495655), (5, 13398262), (10, 6699131), (31, 2161010), (62, 1080505), (155, 432202), (310, 216101), (961, 69710), (1922, 34855), (4805, 13942), (6971, 9610)]