84257390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{2161}}^1$

素因数の和:2732

約数の個数: 32

約数和(自身を含む): 173721024

約数和(自身を除く): 89463634

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 557, 1114, 2161, 2785, 3899, 4322, 5570, 7798, 10805, 15127, 19495, 21610, 30254, 38990, 75635, 151270, 1203677, 2407354, 6018385, 8425739, 12036770, 16851478, 42128695, 84257390]

約数ペア:

[(1, 84257390), (2, 42128695), (5, 16851478), (7, 12036770), (10, 8425739), (14, 6018385), (35, 2407354), (70, 1203677), (557, 151270), (1114, 75635), (2161, 38990), (2785, 30254), (3899, 21610), (4322, 19495), (5570, 15127), (7798, 10805)]