1645221215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^2\times {\mathrm{4793}}^1$

素因数の和:4967

約数の個数: 24

約数和(自身を含む): 2181806928

約数和(自身を除く): 536585713

約数列:

[1, 5, 11, 55, 79, 395, 869, 4345, 4793, 6241, 23965, 31205, 52723, 68651, 263615, 343255, 378647, 1893235, 4165117, 20825585, 29913113, 149565565, 329044243, 1645221215]

約数ペア:

[(1, 1645221215), (5, 329044243), (11, 149565565), (55, 29913113), (79, 20825585), (395, 4165117), (869, 1893235), (4345, 378647), (4793, 343255), (6241, 263615), (23965, 68651), (31205, 52723)]