203400197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:989

約数の個数: 32

約数和(自身を含む): 274385664

約数和(自身を除く): 70985467

約数列:

[1, 7, 11, 13, 77, 91, 143, 317, 641, 1001, 2219, 3487, 4121, 4487, 7051, 8333, 24409, 28847, 45331, 49357, 58331, 91663, 203197, 317317, 641641, 1422379, 2235167, 2641561, 15646169, 18490927, 29057171, 203400197]

約数ペア:

[(1, 203400197), (7, 29057171), (11, 18490927), (13, 15646169), (77, 2641561), (91, 2235167), (143, 1422379), (317, 641641), (641, 317317), (1001, 203197), (2219, 91663), (3487, 58331), (4121, 49357), (4487, 45331), (7051, 28847), (8333, 24409)]