81646876

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{15131}}^1$

素因数の和:15225

約数の個数: 24

約数和(自身を含む): 152530560

約数和(自身を除く): 70883684

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 5396, 15131, 30262, 60524, 287489, 574978, 1074301, 1149956, 2148602, 4297204, 20411719, 40823438, 81646876]

約数ペア:

[(1, 81646876), (2, 40823438), (4, 20411719), (19, 4297204), (38, 2148602), (71, 1149956), (76, 1074301), (142, 574978), (284, 287489), (1349, 60524), (2698, 30262), (5396, 15131)]