405438488

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{5407}}^1$

素因数の和:5536

約数の個数: 64

約数和(自身を含む): 944885760

約数和(自身を除く): 539447272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 103, 104, 182, 206, 364, 412, 721, 728, 824, 1339, 1442, 2678, 2884, 5356, 5407, 5768, 9373, 10712, 10814, 18746, 21628, 37492, 37849, 43256, 70291, 74984, 75698, 140582, 151396, 281164, 302792, 492037, 556921, 562328, 984074, 1113842, 1968148, 2227684, 3898447, 3936296, 4455368, 7239973, 7796894, 14479946, 15593788, 28959892, 31187576, 50679811, 57919784, 101359622, 202719244, 405438488]

約数ペア:

[(1, 405438488), (2, 202719244), (4, 101359622), (7, 57919784), (8, 50679811), (13, 31187576), (14, 28959892), (26, 15593788), (28, 14479946), (52, 7796894), (56, 7239973), (91, 4455368), (103, 3936296), (104, 3898447), (182, 2227684), (206, 1968148), (364, 1113842), (412, 984074), (721, 562328), (728, 556921), (824, 492037), (1339, 302792), (1442, 281164), (2678, 151396), (2884, 140582), (5356, 75698), (5407, 74984), (5768, 70291), (9373, 43256), (10712, 37849), (10814, 37492), (18746, 21628)]