201421930

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491273}}^1$

素因数の和:491321

約数の個数: 16

約数和(自身を含む): 371403144

約数和(自身を除く): 169981214

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 491273, 982546, 2456365, 4912730, 20142193, 40284386, 100710965, 201421930]

約数ペア:

[(1, 201421930), (2, 100710965), (5, 40284386), (10, 20142193), (41, 4912730), (82, 2456365), (205, 982546), (410, 491273)]