1287600368

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{578957}}^1$

素因数の和:579104

約数の個数: 20

約数和(自身を含む): 2512677720

約数和(自身を除く): 1225077352

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 578957, 1157914, 2315828, 4631656, 9263312, 80475023, 160950046, 321900092, 643800184, 1287600368]

約数ペア:

[(1, 1287600368), (2, 643800184), (4, 321900092), (8, 160950046), (16, 80475023), (139, 9263312), (278, 4631656), (556, 2315828), (1112, 1157914), (2224, 578957)]