40389934

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{81761}}^1$

素因数の和:81795

約数の個数: 16

約数和(自身を含む): 68680080

約数和(自身を除く): 28290146

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 81761, 163522, 1062893, 1553459, 2125786, 3106918, 20194967, 40389934]

約数ペア:

[(1, 40389934), (2, 20194967), (13, 3106918), (19, 2125786), (26, 1553459), (38, 1062893), (247, 163522), (494, 81761)]