198086245

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 276883200

約数和(自身を除く): 78796955

約数列:

[1, 5, 7, 35, 109, 137, 379, 545, 685, 763, 959, 1895, 2653, 3815, 4795, 13265, 14933, 41311, 51923, 74665, 104531, 206555, 259615, 289177, 363461, 522655, 1445885, 1817305, 5659607, 28298035, 39617249, 198086245]

約数ペア:

[(1, 198086245), (5, 39617249), (7, 28298035), (35, 5659607), (109, 1817305), (137, 1445885), (379, 522655), (545, 363461), (685, 289177), (763, 259615), (959, 206555), (1895, 104531), (2653, 74665), (3815, 51923), (4795, 41311), (13265, 14933)]