1661892016

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1167059}}^1$

素因数の和:1167156

約数の個数: 20

約数和(自身を含む): 3256097400

約数和(自身を除く): 1594205384

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 1167059, 2334118, 4668236, 9336472, 18672944, 103868251, 207736502, 415473004, 830946008, 1661892016]

約数ペア:

[(1, 1661892016), (2, 830946008), (4, 415473004), (8, 207736502), (16, 103868251), (89, 18672944), (178, 9336472), (356, 4668236), (712, 2334118), (1424, 1167059)]