201885215

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{2531}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 288769536

約数和(自身を除く): 86884321

約数列:

[1, 5, 7, 35, 43, 53, 215, 265, 301, 371, 1505, 1855, 2279, 2531, 11395, 12655, 15953, 17717, 79765, 88585, 108833, 134143, 544165, 670715, 761831, 939001, 3809155, 4695005, 5768149, 28840745, 40377043, 201885215]

約数ペア:

[(1, 201885215), (5, 40377043), (7, 28840745), (35, 5768149), (43, 4695005), (53, 3809155), (215, 939001), (265, 761831), (301, 670715), (371, 544165), (1505, 134143), (1855, 108833), (2279, 88585), (2531, 79765), (11395, 17717), (12655, 15953)]