193194170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47939}}^1$

素因数の和:47990

約数の個数: 32

約数和(自身を含む): 386588160

約数和(自身を除く): 193393990

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 47939, 95878, 239695, 479390, 623207, 1246414, 1486109, 2972218, 3116035, 6232070, 7430545, 14861090, 19319417, 38638834, 96597085, 193194170]

約数ペア:

[(1, 193194170), (2, 96597085), (5, 38638834), (10, 19319417), (13, 14861090), (26, 7430545), (31, 6232070), (62, 3116035), (65, 2972218), (130, 1486109), (155, 1246414), (310, 623207), (403, 479390), (806, 239695), (2015, 95878), (4030, 47939)]