8138585

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{577}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 12429312

約数和(自身を除く): 4290727

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 577, 1085, 2015, 2821, 2885, 4039, 7501, 14105, 17887, 20195, 37505, 52507, 89435, 125209, 232531, 262535, 626045, 1162655, 1627717, 8138585]

約数ペア:

[(1, 8138585), (5, 1627717), (7, 1162655), (13, 626045), (31, 262535), (35, 232531), (65, 125209), (91, 89435), (155, 52507), (217, 37505), (403, 20195), (455, 17887), (577, 14105), (1085, 7501), (2015, 4039), (2821, 2885)]