67661375

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{919}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 91852800

約数和(自身を除く): 24191425

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 475, 589, 775, 919, 2375, 2945, 3875, 4595, 14725, 17461, 22975, 28489, 73625, 87305, 114875, 142445, 436525, 541291, 712225, 2182625, 2706455, 3561125, 13532275, 67661375]

約数ペア:

[(1, 67661375), (5, 13532275), (19, 3561125), (25, 2706455), (31, 2182625), (95, 712225), (125, 541291), (155, 436525), (475, 142445), (589, 114875), (775, 87305), (919, 73625), (2375, 28489), (2945, 22975), (3875, 17461), (4595, 14725)]