161768915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3067}}^1$

素因数の和:3227

約数の個数: 32

約数和(自身を含む): 243869184

約数和(自身を除く): 82100269

約数列:

[1, 5, 7, 11, 35, 55, 77, 137, 385, 685, 959, 1507, 3067, 4795, 7535, 10549, 15335, 21469, 33737, 52745, 107345, 168685, 236159, 420179, 1180795, 2100895, 2941253, 4621969, 14706265, 23109845, 32353783, 161768915]

約数ペア:

[(1, 161768915), (5, 32353783), (7, 23109845), (11, 14706265), (35, 4621969), (55, 2941253), (77, 2100895), (137, 1180795), (385, 420179), (685, 236159), (959, 168685), (1507, 107345), (3067, 52745), (4795, 33737), (7535, 21469), (10549, 15335)]