138659365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{21121}}^1$

素因数の和:21240

約数の個数: 16

約数和(自身を含む): 180973296

約数和(自身を除く): 42313931

約数列:

[1, 5, 13, 65, 101, 505, 1313, 6565, 21121, 105605, 274573, 1372865, 2133221, 10666105, 27731873, 138659365]

約数ペア:

[(1, 138659365), (5, 27731873), (13, 10666105), (65, 2133221), (101, 1372865), (505, 274573), (1313, 105605), (6565, 21121)]