31874915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 42742080

約数和(自身を除く): 10867165

約数列:

[1, 5, 17, 29, 67, 85, 145, 193, 335, 493, 965, 1139, 1943, 2465, 3281, 5597, 5695, 9715, 12931, 16405, 27985, 33031, 64655, 95149, 165155, 219827, 374999, 475745, 1099135, 1874995, 6374983, 31874915]

約数ペア:

[(1, 31874915), (5, 6374983), (17, 1874995), (29, 1099135), (67, 475745), (85, 374999), (145, 219827), (193, 165155), (335, 95149), (493, 64655), (965, 33031), (1139, 27985), (1943, 16405), (2465, 12931), (3281, 9715), (5597, 5695)]