31420816

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^2\times {\mathrm{127}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 71646208

約数和(自身を除く): 40225392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 127, 188, 254, 329, 376, 508, 658, 752, 889, 1016, 1316, 1778, 2032, 2209, 2632, 3556, 4418, 5264, 5969, 7112, 8836, 11938, 14224, 15463, 17672, 23876, 30926, 35344, 41783, 47752, 61852, 83566, 95504, 123704, 167132, 247408, 280543, 334264, 561086, 668528, 1122172, 1963801, 2244344, 3927602, 4488688, 7855204, 15710408, 31420816]

約数ペア:

[(1, 31420816), (2, 15710408), (4, 7855204), (7, 4488688), (8, 3927602), (14, 2244344), (16, 1963801), (28, 1122172), (47, 668528), (56, 561086), (94, 334264), (112, 280543), (127, 247408), (188, 167132), (254, 123704), (329, 95504), (376, 83566), (508, 61852), (658, 47752), (752, 41783), (889, 35344), (1016, 30926), (1316, 23876), (1778, 17672), (2032, 15463), (2209, 14224), (2632, 11938), (3556, 8836), (4418, 7112), (5264, 5969)]