71889985

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7088

約数の個数: 16

約数和(自身を含む): 90512640

約数和(自身を除く): 18622655

約数列:

[1, 5, 29, 71, 145, 355, 2059, 6983, 10295, 34915, 202507, 495793, 1012535, 2478965, 14377997, 71889985]

約数ペア:

[(1, 71889985), (5, 14377997), (29, 2478965), (71, 1012535), (145, 495793), (355, 202507), (2059, 34915), (6983, 10295)]