78420065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{1879}}^1$

素因数の和:2392

約数の個数: 16

約数和(自身を含む): 99895680

約数和(自身を除く): 21475615

約数列:

[1, 5, 17, 85, 491, 1879, 2455, 8347, 9395, 31943, 41735, 159715, 922589, 4612945, 15684013, 78420065]

約数ペア:

[(1, 78420065), (5, 15684013), (17, 4612945), (85, 922589), (491, 159715), (1879, 41735), (2455, 31943), (8347, 9395)]