77990185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{947}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 115944192

約数和(自身を除く): 37954007

約数列:

[1, 5, 7, 13, 35, 65, 91, 181, 455, 905, 947, 1267, 2353, 4735, 6335, 6629, 11765, 12311, 16471, 33145, 61555, 82355, 86177, 171407, 430885, 857035, 1199849, 2228291, 5999245, 11141455, 15598037, 77990185]

約数ペア:

[(1, 77990185), (5, 15598037), (7, 11141455), (13, 5999245), (35, 2228291), (65, 1199849), (91, 857035), (181, 430885), (455, 171407), (905, 86177), (947, 82355), (1267, 61555), (2353, 33145), (4735, 16471), (6335, 12311), (6629, 11765)]