215800465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1281

約数の個数: 32

約数和(自身を含む): 286623360

約数和(自身を除く): 70822895

約数列:

[1, 5, 17, 37, 59, 85, 185, 295, 629, 1003, 1163, 2183, 3145, 5015, 5815, 10915, 19771, 37111, 43031, 68617, 98855, 185555, 215155, 343085, 731527, 1166489, 2538829, 3657635, 5832445, 12694145, 43160093, 215800465]

約数ペア:

[(1, 215800465), (5, 43160093), (17, 12694145), (37, 5832445), (59, 3657635), (85, 2538829), (185, 1166489), (295, 731527), (629, 343085), (1003, 215155), (1163, 185555), (2183, 98855), (3145, 68617), (5015, 43031), (5815, 37111), (10915, 19771)]