39989188

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 71547840

約数和(自身を除く): 31558652

約数列:

[1, 2, 4, 71, 139, 142, 278, 284, 556, 1013, 2026, 4052, 9869, 19738, 39476, 71923, 140807, 143846, 281614, 287692, 563228, 9997297, 19994594, 39989188]

約数ペア:

[(1, 39989188), (2, 19994594), (4, 9997297), (71, 563228), (139, 287692), (142, 281614), (278, 143846), (284, 140807), (556, 71923), (1013, 39476), (2026, 19738), (4052, 9869)]