90791728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{2957}}^1$

素因数の和:3085

約数の個数: 40

約数和(自身を含む): 187063920

約数和(自身を除く): 96272192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 101, 152, 202, 304, 404, 808, 1616, 1919, 2957, 3838, 5914, 7676, 11828, 15352, 23656, 30704, 47312, 56183, 112366, 224732, 298657, 449464, 597314, 898928, 1194628, 2389256, 4778512, 5674483, 11348966, 22697932, 45395864, 90791728]

約数ペア:

[(1, 90791728), (2, 45395864), (4, 22697932), (8, 11348966), (16, 5674483), (19, 4778512), (38, 2389256), (76, 1194628), (101, 898928), (152, 597314), (202, 449464), (304, 298657), (404, 224732), (808, 112366), (1616, 56183), (1919, 47312), (2957, 30704), (3838, 23656), (5914, 15352), (7676, 11828)]