291215990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1171}}^1\times {\mathrm{1913}}^1$

素因数の和:3104

約数の個数: 32

約数和(自身を含む): 565288416

約数和(自身を除く): 274072426

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1171, 1913, 2342, 3826, 5855, 9565, 11710, 15223, 19130, 24869, 30446, 49738, 76115, 124345, 152230, 248690, 2240123, 4480246, 11200615, 22401230, 29121599, 58243198, 145607995, 291215990]

約数ペア:

[(1, 291215990), (2, 145607995), (5, 58243198), (10, 29121599), (13, 22401230), (26, 11200615), (65, 4480246), (130, 2240123), (1171, 248690), (1913, 152230), (2342, 124345), (3826, 76115), (5855, 49738), (9565, 30446), (11710, 24869), (15223, 19130)]