181129975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1076

約数の個数: 36

約数和(自身を含む): 249112776

約数和(自身を除く): 67982801

約数列:

[1, 5, 13, 25, 43, 65, 169, 215, 325, 559, 845, 997, 1075, 2795, 4225, 4985, 7267, 12961, 13975, 24925, 36335, 42871, 64805, 168493, 181675, 214355, 324025, 557323, 842465, 1071775, 2786615, 4212325, 7245199, 13933075, 36225995, 181129975]

約数ペア:

[(1, 181129975), (5, 36225995), (13, 13933075), (25, 7245199), (43, 4212325), (65, 2786615), (169, 1071775), (215, 842465), (325, 557323), (559, 324025), (845, 214355), (997, 181675), (1075, 168493), (2795, 64805), (4225, 42871), (4985, 36335), (7267, 24925), (12961, 13975)]