221668550

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{108131}}^1$

素因数の和:108184

約数の個数: 24

約数和(自身を含む): 422363592

約数和(自身を除く): 200695042

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 108131, 216262, 540655, 1081310, 2703275, 4433371, 5406550, 8866742, 22166855, 44333710, 110834275, 221668550]

約数ペア:

[(1, 221668550), (2, 110834275), (5, 44333710), (10, 22166855), (25, 8866742), (41, 5406550), (50, 4433371), (82, 2703275), (205, 1081310), (410, 540655), (1025, 216262), (2050, 108131)]