128505708

素因数分解:

$2^2\times 3^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1543

約数の個数: 72

約数和(自身を含む): 338240448

約数和(自身を除く): 209734740

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 47, 53, 94, 106, 141, 159, 188, 212, 282, 318, 423, 477, 564, 636, 846, 954, 1433, 1692, 1908, 2491, 2866, 4299, 4982, 5732, 7473, 8598, 9964, 12897, 14946, 17196, 22419, 25794, 29892, 44838, 51588, 67351, 75949, 89676, 134702, 151898, 202053, 227847, 269404, 303796, 404106, 455694, 606159, 683541, 808212, 911388, 1212318, 1367082, 2424636, 2734164, 3569603, 7139206, 10708809, 14278412, 21417618, 32126427, 42835236, 64252854, 128505708]

約数ペア:

[(1, 128505708), (2, 64252854), (3, 42835236), (4, 32126427), (6, 21417618), (9, 14278412), (12, 10708809), (18, 7139206), (36, 3569603), (47, 2734164), (53, 2424636), (94, 1367082), (106, 1212318), (141, 911388), (159, 808212), (188, 683541), (212, 606159), (282, 455694), (318, 404106), (423, 303796), (477, 269404), (564, 227847), (636, 202053), (846, 151898), (954, 134702), (1433, 89676), (1692, 75949), (1908, 67351), (2491, 51588), (2866, 44838), (4299, 29892), (4982, 25794), (5732, 22419), (7473, 17196), (8598, 14946), (9964, 12897)]