15996416

素因数分解:

$2^9\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:374

約数の個数: 40

約数和(自身を含む): 32326800

約数和(自身を除く): 16330384

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 199, 256, 314, 398, 512, 628, 796, 1256, 1592, 2512, 3184, 5024, 6368, 10048, 12736, 20096, 25472, 31243, 40192, 50944, 62486, 80384, 101888, 124972, 249944, 499888, 999776, 1999552, 3999104, 7998208, 15996416]

約数ペア:

[(1, 15996416), (2, 7998208), (4, 3999104), (8, 1999552), (16, 999776), (32, 499888), (64, 249944), (128, 124972), (157, 101888), (199, 80384), (256, 62486), (314, 50944), (398, 40192), (512, 31243), (628, 25472), (796, 20096), (1256, 12736), (1592, 10048), (2512, 6368), (3184, 5024)]