64718515

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{631}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 79131456

約数和(自身を除く): 14412941

約数列:

[1, 5, 73, 281, 365, 631, 1405, 3155, 20513, 46063, 102565, 177311, 230315, 886555, 12943703, 64718515]

約数ペア:

[(1, 64718515), (5, 12943703), (73, 886555), (281, 230315), (365, 177311), (631, 102565), (1405, 46063), (3155, 20513)]