81589172

素因数分解:

$2^2\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{1811}}^1$

素因数の和:3431

約数の個数: 24

約数和(自身を含む): 163369920

約数和(自身を除く): 81780748

約数列:

[1, 2, 4, 7, 14, 28, 1609, 1811, 3218, 3622, 6436, 7244, 11263, 12677, 22526, 25354, 45052, 50708, 2913899, 5827798, 11655596, 20397293, 40794586, 81589172]

約数ペア:

[(1, 81589172), (2, 40794586), (4, 20397293), (7, 11655596), (14, 5827798), (28, 2913899), (1609, 50708), (1811, 45052), (3218, 25354), (3622, 22526), (6436, 12677), (7244, 11263)]