40411638

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 89945856

約数和(自身を除く): 49534218

約数列:

[1, 2, 3, 6, 9, 18, 71, 103, 142, 206, 213, 307, 309, 426, 614, 618, 639, 921, 927, 1278, 1842, 1854, 2763, 5526, 7313, 14626, 21797, 21939, 31621, 43594, 43878, 63242, 65391, 65817, 94863, 130782, 131634, 189726, 196173, 284589, 392346, 569178, 2245091, 4490182, 6735273, 13470546, 20205819, 40411638]

約数ペア:

[(1, 40411638), (2, 20205819), (3, 13470546), (6, 6735273), (9, 4490182), (18, 2245091), (71, 569178), (103, 392346), (142, 284589), (206, 196173), (213, 189726), (307, 131634), (309, 130782), (426, 94863), (614, 65817), (618, 65391), (639, 63242), (921, 43878), (927, 43594), (1278, 31621), (1842, 21939), (1854, 21797), (2763, 14626), (5526, 7313)]