31106946

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:267

約数の個数: 64

約数和(自身を含む): 70108416

約数和(自身を除く): 39001470

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 71, 78, 82, 123, 137, 142, 213, 246, 274, 411, 426, 533, 822, 923, 1066, 1599, 1781, 1846, 2769, 2911, 3198, 3562, 5343, 5538, 5617, 5822, 8733, 9727, 10686, 11234, 16851, 17466, 19454, 29181, 33702, 37843, 58362, 73021, 75686, 113529, 126451, 146042, 219063, 227058, 252902, 379353, 398807, 438126, 758706, 797614, 1196421, 2392842, 5184491, 10368982, 15553473, 31106946]

約数ペア:

[(1, 31106946), (2, 15553473), (3, 10368982), (6, 5184491), (13, 2392842), (26, 1196421), (39, 797614), (41, 758706), (71, 438126), (78, 398807), (82, 379353), (123, 252902), (137, 227058), (142, 219063), (213, 146042), (246, 126451), (274, 113529), (411, 75686), (426, 73021), (533, 58362), (822, 37843), (923, 33702), (1066, 29181), (1599, 19454), (1781, 17466), (1846, 16851), (2769, 11234), (2911, 10686), (3198, 9727), (3562, 8733), (5343, 5822), (5538, 5617)]