639211092

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{87181}}^1$

素因数の和:87248

約数の個数: 48

約数和(自身を含む): 1640416512

約数和(自身を除く): 1001205420

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 188, 282, 564, 611, 1222, 1833, 2444, 3666, 7332, 87181, 174362, 261543, 348724, 523086, 1046172, 1133353, 2266706, 3400059, 4097507, 4533412, 6800118, 8195014, 12292521, 13600236, 16390028, 24585042, 49170084, 53267591, 106535182, 159802773, 213070364, 319605546, 639211092]

約数ペア:

[(1, 639211092), (2, 319605546), (3, 213070364), (4, 159802773), (6, 106535182), (12, 53267591), (13, 49170084), (26, 24585042), (39, 16390028), (47, 13600236), (52, 12292521), (78, 8195014), (94, 6800118), (141, 4533412), (156, 4097507), (188, 3400059), (282, 2266706), (564, 1133353), (611, 1046172), (1222, 523086), (1833, 348724), (2444, 261543), (3666, 174362), (7332, 87181)]