31910585

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 45792000

約数和(自身を除く): 13881415

約数列:

[1, 5, 7, 29, 35, 145, 149, 203, 211, 745, 1015, 1043, 1055, 1477, 4321, 5215, 6119, 7385, 21605, 30247, 30595, 31439, 42833, 151235, 157195, 214165, 220073, 911731, 1100365, 4558655, 6382117, 31910585]

約数ペア:

[(1, 31910585), (5, 6382117), (7, 4558655), (29, 1100365), (35, 911731), (145, 220073), (149, 214165), (203, 157195), (211, 151235), (745, 42833), (1015, 31439), (1043, 30595), (1055, 30247), (1477, 21605), (4321, 7385), (5215, 6119)]