78916145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2981

約数の個数: 32

約数和(自身を含む): 119771136

約数和(自身を除く): 40854991

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 2485, 2887, 3905, 5467, 14435, 20209, 27335, 31757, 101045, 158785, 204977, 222299, 1024885, 1111495, 1434839, 2254747, 7174195, 11273735, 15783229, 78916145]

約数ペア:

[(1, 78916145), (5, 15783229), (7, 11273735), (11, 7174195), (35, 2254747), (55, 1434839), (71, 1111495), (77, 1024885), (355, 222299), (385, 204977), (497, 158785), (781, 101045), (2485, 31757), (2887, 27335), (3905, 20209), (5467, 14435)]