129121708

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{317}}^1\times {\mathrm{1289}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 229723200

約数和(自身を除く): 100601492

約数列:

[1, 2, 4, 79, 158, 316, 317, 634, 1268, 1289, 2578, 5156, 25043, 50086, 100172, 101831, 203662, 407324, 408613, 817226, 1634452, 32280427, 64560854, 129121708]

約数ペア:

[(1, 129121708), (2, 64560854), (4, 32280427), (79, 1634452), (158, 817226), (316, 408613), (317, 407324), (634, 203662), (1268, 101831), (1289, 100172), (2578, 50086), (5156, 25043)]