55774225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 36

約数和(自身を含む): 76880496

約数和(自身を除く): 21106271

約数列:

[1, 5, 13, 25, 43, 65, 169, 215, 307, 325, 559, 845, 1075, 1535, 2795, 3991, 4225, 7267, 7675, 13201, 13975, 19955, 36335, 51883, 66005, 99775, 171613, 181675, 259415, 330025, 858065, 1297075, 2230969, 4290325, 11154845, 55774225]

約数ペア:

[(1, 55774225), (5, 11154845), (13, 4290325), (25, 2230969), (43, 1297075), (65, 858065), (169, 330025), (215, 259415), (307, 181675), (325, 171613), (559, 99775), (845, 66005), (1075, 51883), (1535, 36335), (2795, 19955), (3991, 13975), (4225, 13201), (7267, 7675)]