201221218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{56113}}^1$

素因数の和:56289

約数の個数: 16

約数和(自身を含む): 331297056

約数和(自身を除く): 130075838

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 56113, 112226, 617243, 1234486, 9146419, 18292838, 100610609, 201221218]

約数ペア:

[(1, 201221218), (2, 100610609), (11, 18292838), (22, 9146419), (163, 1234486), (326, 617243), (1793, 112226), (3586, 56113)]