81098990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{5881}}^1$

素因数の和:6092

約数の個数: 32

約数和(自身を含む): 167707584

約数和(自身を除く): 86608594

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 197, 394, 985, 1379, 1970, 2758, 5881, 6895, 11762, 13790, 29405, 41167, 58810, 82334, 205835, 411670, 1158557, 2317114, 5792785, 8109899, 11585570, 16219798, 40549495, 81098990]

約数ペア:

[(1, 81098990), (2, 40549495), (5, 16219798), (7, 11585570), (10, 8109899), (14, 5792785), (35, 2317114), (70, 1158557), (197, 411670), (394, 205835), (985, 82334), (1379, 58810), (1970, 41167), (2758, 29405), (5881, 13790), (6895, 11762)]