216957992

素因数分解:

$2^3\times {\mathrm{631}}^1\times {\mathrm{42979}}^1$

素因数の和:43616

約数の個数: 16

約数和(自身を含む): 407450400

約数和(自身を除く): 190492408

約数列:

[1, 2, 4, 8, 631, 1262, 2524, 5048, 42979, 85958, 171916, 343832, 27119749, 54239498, 108478996, 216957992]

約数ペア:

[(1, 216957992), (2, 108478996), (4, 54239498), (8, 27119749), (631, 343832), (1262, 171916), (2524, 85958), (5048, 42979)]