83661968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{402221}}^1$

素因数の和:402242

約数の個数: 20

約数和(自身を含む): 174564348

約数和(自身を除く): 90902380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 402221, 804442, 1608884, 3217768, 5228873, 6435536, 10457746, 20915492, 41830984, 83661968]

約数ペア:

[(1, 83661968), (2, 41830984), (4, 20915492), (8, 10457746), (13, 6435536), (16, 5228873), (26, 3217768), (52, 1608884), (104, 804442), (208, 402221)]