81702168

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{72431}}^1$

素因数の和:72487

約数の個数: 32

約数和(自身を含む): 208604160

約数和(自身を除く): 126901992

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 72431, 144862, 217293, 289724, 434586, 579448, 869172, 1738344, 3404257, 6808514, 10212771, 13617028, 20425542, 27234056, 40851084, 81702168]

約数ペア:

[(1, 81702168), (2, 40851084), (3, 27234056), (4, 20425542), (6, 13617028), (8, 10212771), (12, 6808514), (24, 3404257), (47, 1738344), (94, 869172), (141, 579448), (188, 434586), (282, 289724), (376, 217293), (564, 144862), (1128, 72431)]