158008972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{18229}}^1$

素因数の和:18441

約数の個数: 24

約数和(自身を含む): 303201360

約数和(自身を除く): 145192388

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 18229, 36458, 72916, 200519, 401038, 802076, 3591113, 7182226, 14364452, 39502243, 79004486, 158008972]

約数ペア:

[(1, 158008972), (2, 79004486), (4, 39502243), (11, 14364452), (22, 7182226), (44, 3591113), (197, 802076), (394, 401038), (788, 200519), (2167, 72916), (4334, 36458), (8668, 18229)]