85699990

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1307}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 158215680

約数和(自身を除く): 72515690

約数列:

[1, 2, 5, 10, 79, 83, 158, 166, 395, 415, 790, 830, 1307, 2614, 6535, 6557, 13070, 13114, 32785, 65570, 103253, 108481, 206506, 216962, 516265, 542405, 1032530, 1084810, 8569999, 17139998, 42849995, 85699990]

約数ペア:

[(1, 85699990), (2, 42849995), (5, 17139998), (10, 8569999), (79, 1084810), (83, 1032530), (158, 542405), (166, 516265), (395, 216962), (415, 206506), (790, 108481), (830, 103253), (1307, 65570), (2614, 32785), (6535, 13114), (6557, 13070)]