66291589

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1667}}^1$

素因数の和:1729

約数の個数: 32

約数和(自身を含む): 89671680

約数和(自身を除く): 23380091

約数列:

[1, 7, 13, 19, 23, 91, 133, 161, 247, 299, 437, 1667, 1729, 2093, 3059, 5681, 11669, 21671, 31673, 38341, 39767, 151697, 221711, 268387, 411749, 498433, 728479, 2882243, 3489031, 5099353, 9470227, 66291589]

約数ペア:

[(1, 66291589), (7, 9470227), (13, 5099353), (19, 3489031), (23, 2882243), (91, 728479), (133, 498433), (161, 411749), (247, 268387), (299, 221711), (437, 151697), (1667, 39767), (1729, 38341), (2093, 31673), (3059, 21671), (5681, 11669)]