821497136

素因数分解:

$2^4\times {\mathrm{3121}}^1\times {\mathrm{16451}}^1$

素因数の和:19580

約数の個数: 20

約数和(自身を含む): 1592257464

約数和(自身を除く): 770760328

約数列:

[1, 2, 4, 8, 16, 3121, 6242, 12484, 16451, 24968, 32902, 49936, 65804, 131608, 263216, 51343571, 102687142, 205374284, 410748568, 821497136]

約数ペア:

[(1, 821497136), (2, 410748568), (4, 205374284), (8, 102687142), (16, 51343571), (3121, 263216), (6242, 131608), (12484, 65804), (16451, 49936), (24968, 32902)]