81943504

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2617}}^1$

素因数の和:2747

約数の個数: 40

約数和(自身を含む): 168808640

約数和(自身を除く): 86865136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 103, 152, 206, 304, 412, 824, 1648, 1957, 2617, 3914, 5234, 7828, 10468, 15656, 20936, 31312, 41872, 49723, 99446, 198892, 269551, 397784, 539102, 795568, 1078204, 2156408, 4312816, 5121469, 10242938, 20485876, 40971752, 81943504]

約数ペア:

[(1, 81943504), (2, 40971752), (4, 20485876), (8, 10242938), (16, 5121469), (19, 4312816), (38, 2156408), (76, 1078204), (103, 795568), (152, 539102), (206, 397784), (304, 269551), (412, 198892), (824, 99446), (1648, 49723), (1957, 41872), (2617, 31312), (3914, 20936), (5234, 15656), (7828, 10468)]