142981904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{687413}}^1$

素因数の和:687434

約数の個数: 20

約数和(自身を含む): 298337676

約数和(自身を除く): 155355772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 687413, 1374826, 2749652, 5499304, 8936369, 10998608, 17872738, 35745476, 71490952, 142981904]

約数ペア:

[(1, 142981904), (2, 71490952), (4, 35745476), (8, 17872738), (13, 10998608), (16, 8936369), (26, 5499304), (52, 2749652), (104, 1374826), (208, 687413)]