81878783

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{6089}}^1$

素因数の和:6226

約数の個数: 16

約数和(自身を含む): 99973440

約数和(自身を除く): 18094657

約数列:

[1, 7, 17, 113, 119, 791, 1921, 6089, 13447, 42623, 103513, 688057, 724591, 4816399, 11696969, 81878783]

約数ペア:

[(1, 81878783), (7, 11696969), (17, 4816399), (113, 724591), (119, 688057), (791, 103513), (1921, 42623), (6089, 13447)]