81775990

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{134059}}^1$

素因数の和:134127

約数の個数: 16

約数和(自身を含む): 149610960

約数和(自身を除く): 67834970

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 134059, 268118, 670295, 1340590, 8177599, 16355198, 40887995, 81775990]

約数ペア:

[(1, 81775990), (2, 40887995), (5, 16355198), (10, 8177599), (61, 1340590), (122, 670295), (305, 268118), (610, 134059)]