81578096

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1801}}^1$

素因数の和:1977

約数の個数: 40

約数和(自身を含む): 167586000

約数和(自身を除く): 86007904

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 149, 152, 298, 304, 596, 1192, 1801, 2384, 2831, 3602, 5662, 7204, 11324, 14408, 22648, 28816, 34219, 45296, 68438, 136876, 268349, 273752, 536698, 547504, 1073396, 2146792, 4293584, 5098631, 10197262, 20394524, 40789048, 81578096]

約数ペア:

[(1, 81578096), (2, 40789048), (4, 20394524), (8, 10197262), (16, 5098631), (19, 4293584), (38, 2146792), (76, 1073396), (149, 547504), (152, 536698), (298, 273752), (304, 268349), (596, 136876), (1192, 68438), (1801, 45296), (2384, 34219), (2831, 28816), (3602, 22648), (5662, 14408), (7204, 11324)]