81963838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{1021}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 139073760

約数和(自身を除く): 57109922

約数列:

[1, 2, 11, 22, 41, 82, 89, 178, 451, 902, 979, 1021, 1958, 2042, 3649, 7298, 11231, 22462, 40139, 41861, 80278, 83722, 90869, 181738, 460471, 920942, 999559, 1999118, 3725629, 7451258, 40981919, 81963838]

約数ペア:

[(1, 81963838), (2, 40981919), (11, 7451258), (22, 3725629), (41, 1999118), (82, 999559), (89, 920942), (178, 460471), (451, 181738), (902, 90869), (979, 83722), (1021, 80278), (1958, 41861), (2042, 40139), (3649, 22462), (7298, 11231)]