90145964

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{1399}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 160524000

約数和(自身を除く): 70378036

約数列:

[1, 2, 4, 89, 178, 181, 356, 362, 724, 1399, 2798, 5596, 16109, 32218, 64436, 124511, 249022, 253219, 498044, 506438, 1012876, 22536491, 45072982, 90145964]

約数ペア:

[(1, 90145964), (2, 45072982), (4, 22536491), (89, 1012876), (178, 506438), (181, 498044), (356, 253219), (362, 249022), (724, 124511), (1399, 64436), (2798, 32218), (5596, 16109)]