247044642

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{1439}}^1$

素因数の和:1559

約数の個数: 64

約数和(自身を含む): 557383680

約数和(自身を除く): 310339038

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 142, 186, 213, 403, 426, 806, 923, 1209, 1439, 1846, 2201, 2418, 2769, 2878, 4317, 4402, 5538, 6603, 8634, 13206, 18707, 28613, 37414, 44609, 56121, 57226, 85839, 89218, 102169, 112242, 133827, 171678, 204338, 267654, 306507, 579917, 613014, 1159834, 1328197, 1739751, 2656394, 3167239, 3479502, 3984591, 6334478, 7969182, 9501717, 19003434, 41174107, 82348214, 123522321, 247044642]

約数ペア:

[(1, 247044642), (2, 123522321), (3, 82348214), (6, 41174107), (13, 19003434), (26, 9501717), (31, 7969182), (39, 6334478), (62, 3984591), (71, 3479502), (78, 3167239), (93, 2656394), (142, 1739751), (186, 1328197), (213, 1159834), (403, 613014), (426, 579917), (806, 306507), (923, 267654), (1209, 204338), (1439, 171678), (1846, 133827), (2201, 112242), (2418, 102169), (2769, 89218), (2878, 85839), (4317, 57226), (4402, 56121), (5538, 44609), (6603, 37414), (8634, 28613), (13206, 18707)]