78890968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2113}}^1$

素因数の和:2491

約数の個数: 32

約数和(自身を含む): 159818400

約数和(自身を除く): 80927432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 718, 1436, 2113, 2872, 4226, 4667, 8452, 9334, 16904, 18668, 27469, 37336, 54938, 109876, 219752, 758567, 1517134, 3034268, 6068536, 9861371, 19722742, 39445484, 78890968]

約数ペア:

[(1, 78890968), (2, 39445484), (4, 19722742), (8, 9861371), (13, 6068536), (26, 3034268), (52, 1517134), (104, 758567), (359, 219752), (718, 109876), (1436, 54938), (2113, 37336), (2872, 27469), (4226, 18668), (4667, 16904), (8452, 9334)]