71712916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{85781}}^1$

素因数の和:85815

約数の個数: 24

約数和(自身を含む): 144113760

約数和(自身を除く): 72400844

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 85781, 171562, 343124, 943591, 1629839, 1887182, 3259678, 3774364, 6519356, 17928229, 35856458, 71712916]

約数ペア:

[(1, 71712916), (2, 35856458), (4, 17928229), (11, 6519356), (19, 3774364), (22, 3259678), (38, 1887182), (44, 1629839), (76, 943591), (209, 343124), (418, 171562), (836, 85781)]