291265998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1087}}^1$

素因数の和:1217

約数の個数: 64

約数和(自身を含む): 642981888

約数和(自身を除く): 351715890

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 71, 74, 102, 111, 142, 213, 222, 426, 629, 1087, 1207, 1258, 1887, 2174, 2414, 2627, 3261, 3621, 3774, 5254, 6522, 7242, 7881, 15762, 18479, 36958, 40219, 44659, 55437, 77177, 80438, 89318, 110874, 120657, 133977, 154354, 231531, 241314, 267954, 463062, 683723, 1312009, 1367446, 2051169, 2624018, 2855549, 3936027, 4102338, 5711098, 7872054, 8566647, 17133294, 48544333, 97088666, 145632999, 291265998]

約数ペア:

[(1, 291265998), (2, 145632999), (3, 97088666), (6, 48544333), (17, 17133294), (34, 8566647), (37, 7872054), (51, 5711098), (71, 4102338), (74, 3936027), (102, 2855549), (111, 2624018), (142, 2051169), (213, 1367446), (222, 1312009), (426, 683723), (629, 463062), (1087, 267954), (1207, 241314), (1258, 231531), (1887, 154354), (2174, 133977), (2414, 120657), (2627, 110874), (3261, 89318), (3621, 80438), (3774, 77177), (5254, 55437), (6522, 44659), (7242, 40219), (7881, 36958), (15762, 18479)]