26947525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 39283200

約数和(自身を除く): 12335675

約数列:

[1, 5, 11, 25, 29, 31, 55, 109, 145, 155, 275, 319, 341, 545, 725, 775, 899, 1199, 1595, 1705, 2725, 3161, 3379, 4495, 5995, 7975, 8525, 9889, 15805, 16895, 22475, 29975, 34771, 37169, 49445, 79025, 84475, 97991, 173855, 185845, 247225, 489955, 869275, 929225, 1077901, 2449775, 5389505, 26947525]

約数ペア:

[(1, 26947525), (5, 5389505), (11, 2449775), (25, 1077901), (29, 929225), (31, 869275), (55, 489955), (109, 247225), (145, 185845), (155, 173855), (275, 97991), (319, 84475), (341, 79025), (545, 49445), (725, 37169), (775, 34771), (899, 29975), (1199, 22475), (1595, 16895), (1705, 15805), (2725, 9889), (3161, 8525), (3379, 7975), (4495, 5995)]