161591105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{130843}}^1$

素因数の和:130880

約数の個数: 16

約数和(自身を含む): 219817920

約数和(自身を除く): 58226815

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 130843, 654215, 1700959, 2486017, 8504795, 12430085, 32318221, 161591105]

約数ペア:

[(1, 161591105), (5, 32318221), (13, 12430085), (19, 8504795), (65, 2486017), (95, 1700959), (247, 654215), (1235, 130843)]