217961425

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{8171}}^1$

素因数の和:8289

約数の個数: 24

約数和(自身を含む): 297918432

約数和(自身を除く): 79957007

約数列:

[1, 5, 11, 25, 55, 97, 275, 485, 1067, 2425, 5335, 8171, 26675, 40855, 89881, 204275, 449405, 792587, 2247025, 3962935, 8718457, 19814675, 43592285, 217961425]

約数ペア:

[(1, 217961425), (5, 43592285), (11, 19814675), (25, 8718457), (55, 3962935), (97, 2247025), (275, 792587), (485, 449405), (1067, 204275), (2425, 89881), (5335, 40855), (8171, 26675)]