1885178778812

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{521}}^1\times {\mathrm{315961}}^1$

素因数の和:316902

約数の個数: 48

約数和(自身を含む): 3786842485440

約数和(自身を除く): 1901663706628

約数列:

[1, 2, 4, 7, 14, 28, 409, 521, 818, 1042, 1636, 2084, 2863, 3647, 5726, 7294, 11452, 14588, 213089, 315961, 426178, 631922, 852356, 1263844, 1491623, 2211727, 2983246, 4423454, 5966492, 8846908, 129228049, 164615681, 258456098, 329231362, 516912196, 658462724, 904596343, 1152309767, 1809192686, 2304619534, 3618385372, 4609239068, 67327813529, 134655627058, 269311254116, 471294694703, 942589389406, 1885178778812]

約数ペア:

[(1, 1885178778812), (2, 942589389406), (4, 471294694703), (7, 269311254116), (14, 134655627058), (28, 67327813529), (409, 4609239068), (521, 3618385372), (818, 2304619534), (1042, 1809192686), (1636, 1152309767), (2084, 904596343), (2863, 658462724), (3647, 516912196), (5726, 329231362), (7294, 258456098), (11452, 164615681), (14588, 129228049), (213089, 8846908), (315961, 5966492), (426178, 4423454), (631922, 2983246), (852356, 2211727), (1263844, 1491623)]