663796

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 24

約数和(自身を含む): 1344896

約数和(自身を除く): 681100

約数列:

[1, 2, 4, 7, 14, 28, 151, 157, 302, 314, 604, 628, 1057, 1099, 2114, 2198, 4228, 4396, 23707, 47414, 94828, 165949, 331898, 663796]

約数ペア:

[(1, 663796), (2, 331898), (4, 165949), (7, 94828), (14, 47414), (28, 23707), (151, 4396), (157, 4228), (302, 2198), (314, 2114), (604, 1099), (628, 1057)]