128579514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{853}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 305308416

約数和(自身を除く): 176728902

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 97, 111, 194, 222, 259, 291, 518, 582, 679, 777, 853, 1358, 1554, 1706, 2037, 2559, 3589, 4074, 5118, 5971, 7178, 10767, 11942, 17913, 21534, 25123, 31561, 35826, 50246, 63122, 75369, 82741, 94683, 150738, 165482, 189366, 220927, 248223, 441854, 496446, 579187, 662781, 1158374, 1325562, 1737561, 3061417, 3475122, 6122834, 9184251, 18368502, 21429919, 42859838, 64289757, 128579514]

約数ペア:

[(1, 128579514), (2, 64289757), (3, 42859838), (6, 21429919), (7, 18368502), (14, 9184251), (21, 6122834), (37, 3475122), (42, 3061417), (74, 1737561), (97, 1325562), (111, 1158374), (194, 662781), (222, 579187), (259, 496446), (291, 441854), (518, 248223), (582, 220927), (679, 189366), (777, 165482), (853, 150738), (1358, 94683), (1554, 82741), (1706, 75369), (2037, 63122), (2559, 50246), (3589, 35826), (4074, 31561), (5118, 25123), (5971, 21534), (7178, 17913), (10767, 11942)]