253709488

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{100999}}^1$

素因数の和:101164

約数の個数: 20

約数和(自身を含む): 494698000

約数和(自身を除く): 240988512

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 100999, 201998, 403996, 807992, 1615984, 15856843, 31713686, 63427372, 126854744, 253709488]

約数ペア:

[(1, 253709488), (2, 126854744), (4, 63427372), (8, 31713686), (16, 15856843), (157, 1615984), (314, 807992), (628, 403996), (1256, 201998), (2512, 100999)]