161504915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7789}}^1$

素因数の和:7847

約数の個数: 32

約数和(自身を含む): 235569600

約数和(自身を除く): 74064685

約数列:

[1, 5, 11, 13, 29, 55, 65, 143, 145, 319, 377, 715, 1595, 1885, 4147, 7789, 20735, 38945, 85679, 101257, 225881, 428395, 506285, 1113827, 1129405, 2484691, 2936453, 5569135, 12423455, 14682265, 32300983, 161504915]

約数ペア:

[(1, 161504915), (5, 32300983), (11, 14682265), (13, 12423455), (29, 5569135), (55, 2936453), (65, 2484691), (143, 1129405), (145, 1113827), (319, 506285), (377, 428395), (715, 225881), (1595, 101257), (1885, 85679), (4147, 38945), (7789, 20735)]