81999592

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{1319}}^1$

素因数の和:1753

約数の個数: 32

約数和(自身を含む): 162360000

約数和(自身を除く): 80360408

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 818, 1319, 1636, 2638, 3272, 5276, 7771, 10552, 15542, 25061, 31084, 50122, 62168, 100244, 200488, 539471, 1078942, 2157884, 4315768, 10249949, 20499898, 40999796, 81999592]

約数ペア:

[(1, 81999592), (2, 40999796), (4, 20499898), (8, 10249949), (19, 4315768), (38, 2157884), (76, 1078942), (152, 539471), (409, 200488), (818, 100244), (1319, 62168), (1636, 50122), (2638, 31084), (3272, 25061), (5276, 15542), (7771, 10552)]