31847075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:192

約数の個数: 48

約数和(自身を含む): 45830400

約数和(自身を除く): 13983325

約数列:

[1, 5, 13, 25, 29, 31, 65, 109, 145, 155, 325, 377, 403, 545, 725, 775, 899, 1417, 1885, 2015, 2725, 3161, 3379, 4495, 7085, 9425, 10075, 11687, 15805, 16895, 22475, 35425, 41093, 43927, 58435, 79025, 84475, 97991, 205465, 219635, 292175, 489955, 1027325, 1098175, 1273883, 2449775, 6369415, 31847075]

約数ペア:

[(1, 31847075), (5, 6369415), (13, 2449775), (25, 1273883), (29, 1098175), (31, 1027325), (65, 489955), (109, 292175), (145, 219635), (155, 205465), (325, 97991), (377, 84475), (403, 79025), (545, 58435), (725, 43927), (775, 41093), (899, 35425), (1417, 22475), (1885, 16895), (2015, 15805), (2725, 11687), (3161, 10075), (3379, 9425), (4495, 7085)]