218974145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{593}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 313061760

約数和(自身を除く): 94087615

約数列:

[1, 5, 13, 19, 23, 65, 95, 115, 169, 247, 299, 437, 593, 845, 1235, 1495, 2185, 2965, 3211, 3887, 5681, 7709, 11267, 13639, 16055, 19435, 28405, 38545, 56335, 68195, 73853, 100217, 146471, 177307, 259141, 369265, 501085, 732355, 886535, 1295705, 1904123, 2304991, 3368833, 9520615, 11524955, 16844165, 43794829, 218974145]

約数ペア:

[(1, 218974145), (5, 43794829), (13, 16844165), (19, 11524955), (23, 9520615), (65, 3368833), (95, 2304991), (115, 1904123), (169, 1295705), (247, 886535), (299, 732355), (437, 501085), (593, 369265), (845, 259141), (1235, 177307), (1495, 146471), (2185, 100217), (2965, 73853), (3211, 68195), (3887, 56335), (5681, 38545), (7709, 28405), (11267, 19435), (13639, 16055)]