31617365

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 13918891

約数列:

[1, 5, 13, 17, 31, 65, 71, 85, 155, 169, 221, 355, 403, 527, 845, 923, 1105, 1207, 2015, 2201, 2635, 2873, 4615, 5239, 6035, 6851, 11005, 11999, 14365, 15691, 26195, 28613, 34255, 37417, 59995, 78455, 89063, 143065, 187085, 203983, 371969, 445315, 486421, 1019915, 1859845, 2432105, 6323473, 31617365]

約数ペア:

[(1, 31617365), (5, 6323473), (13, 2432105), (17, 1859845), (31, 1019915), (65, 486421), (71, 445315), (85, 371969), (155, 203983), (169, 187085), (221, 143065), (355, 89063), (403, 78455), (527, 59995), (845, 37417), (923, 34255), (1105, 28613), (1207, 26195), (2015, 15691), (2201, 14365), (2635, 11999), (2873, 11005), (4615, 6851), (5239, 6035)]