12987830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4064

約数の個数: 32

約数和(自身を含む): 26062560

約数和(自身を除く): 13074730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 4021, 8042, 20105, 40210, 68357, 76399, 136714, 152798, 341785, 381995, 683570, 763990, 1298783, 2597566, 6493915, 12987830]

約数ペア:

[(1, 12987830), (2, 6493915), (5, 2597566), (10, 1298783), (17, 763990), (19, 683570), (34, 381995), (38, 341785), (85, 152798), (95, 136714), (170, 76399), (190, 68357), (323, 40210), (646, 20105), (1615, 8042), (3230, 4021)]