42072289

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{2309}}^1$

素因数の和:2472

約数の個数: 16

約数和(自身を含む): 51004800

約数和(自身を除く): 8932511

約数列:

[1, 7, 19, 133, 137, 959, 2309, 2603, 16163, 18221, 43871, 307097, 316333, 2214331, 6010327, 42072289]

約数ペア:

[(1, 42072289), (7, 6010327), (19, 2214331), (133, 316333), (137, 307097), (959, 43871), (2309, 18221), (2603, 16163)]