388309038

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{160591}}^1$

素因数の和:160640

約数の個数: 32

約数和(自身を含む): 863342592

約数和(自身を除く): 475033554

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 160591, 321182, 481773, 963546, 2087683, 4175366, 4978321, 6263049, 9956642, 12526098, 14934963, 29869926, 64718173, 129436346, 194154519, 388309038]

約数ペア:

[(1, 388309038), (2, 194154519), (3, 129436346), (6, 64718173), (13, 29869926), (26, 14934963), (31, 12526098), (39, 9956642), (62, 6263049), (78, 4978321), (93, 4175366), (186, 2087683), (403, 963546), (806, 481773), (1209, 321182), (2418, 160591)]