78256670

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{431}}^1$

素因数の和:776

約数の個数: 32

約数和(自身を含む): 143824896

約数和(自身を除く): 65568226

約数列:

[1, 2, 5, 10, 67, 134, 271, 335, 431, 542, 670, 862, 1355, 2155, 2710, 4310, 18157, 28877, 36314, 57754, 90785, 116801, 144385, 181570, 233602, 288770, 584005, 1168010, 7825667, 15651334, 39128335, 78256670]

約数ペア:

[(1, 78256670), (2, 39128335), (5, 15651334), (10, 7825667), (67, 1168010), (134, 584005), (271, 288770), (335, 233602), (431, 181570), (542, 144385), (670, 116801), (862, 90785), (1355, 57754), (2155, 36314), (2710, 28877), (4310, 18157)]