12900016

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{9059}}^1$

素因数の和:9156

約数の個数: 20

約数和(自身を含む): 25277400

約数和(自身を除く): 12377384

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 9059, 18118, 36236, 72472, 144944, 806251, 1612502, 3225004, 6450008, 12900016]

約数ペア:

[(1, 12900016), (2, 6450008), (4, 3225004), (8, 1612502), (16, 806251), (89, 144944), (178, 72472), (356, 36236), (712, 18118), (1424, 9059)]