31194215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 42287616

約数和(自身を除く): 11093401

約数列:

[1, 5, 13, 31, 65, 113, 137, 155, 403, 565, 685, 1469, 1781, 2015, 3503, 4247, 7345, 8905, 15481, 17515, 21235, 45539, 55211, 77405, 201253, 227695, 276055, 479911, 1006265, 2399555, 6238843, 31194215]

約数ペア:

[(1, 31194215), (5, 6238843), (13, 2399555), (31, 1006265), (65, 479911), (113, 276055), (137, 227695), (155, 201253), (403, 77405), (565, 55211), (685, 45539), (1469, 21235), (1781, 17515), (2015, 15481), (3503, 8905), (4247, 7345)]