216953858

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:754

約数の個数: 32

約数和(自身を含む): 360884160

約数和(自身を除く): 143930302

約数列:

[1, 2, 11, 22, 101, 202, 251, 389, 502, 778, 1111, 2222, 2761, 4279, 5522, 8558, 25351, 39289, 50702, 78578, 97639, 195278, 278861, 432179, 557722, 864358, 1074029, 2148058, 9861539, 19723078, 108476929, 216953858]

約数ペア:

[(1, 216953858), (2, 108476929), (11, 19723078), (22, 9861539), (101, 2148058), (202, 1074029), (251, 864358), (389, 557722), (502, 432179), (778, 278861), (1111, 195278), (2222, 97639), (2761, 78578), (4279, 50702), (5522, 39289), (8558, 25351)]