78127987

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{3821}}^1$

素因数の和:3978

約数の個数: 16

約数和(自身を含む): 93929472

約数和(自身を除く): 15801485

約数列:

[1, 7, 23, 127, 161, 889, 2921, 3821, 20447, 26747, 87883, 485267, 615181, 3396869, 11161141, 78127987]

約数ペア:

[(1, 78127987), (7, 11161141), (23, 3396869), (127, 615181), (161, 485267), (889, 87883), (2921, 26747), (3821, 20447)]