81617624

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{13063}}^1$

素因数の和:13151

約数の個数: 32

約数和(自身を含む): 169309440

約数和(自身を除く): 87691816

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3124, 6248, 13063, 26126, 52252, 104504, 143693, 287386, 574772, 927473, 1149544, 1854946, 3709892, 7419784, 10202203, 20404406, 40808812, 81617624]

約数ペア:

[(1, 81617624), (2, 40808812), (4, 20404406), (8, 10202203), (11, 7419784), (22, 3709892), (44, 1854946), (71, 1149544), (88, 927473), (142, 574772), (284, 287386), (568, 143693), (781, 104504), (1562, 52252), (3124, 26126), (6248, 13063)]