87801430

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2161}}^1$

素因数の和:2424

約数の個数: 32

約数和(自身を含む): 168117120

約数和(自身を除く): 80315690

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 239, 478, 1195, 2161, 2390, 4063, 4322, 8126, 10805, 20315, 21610, 36737, 40630, 73474, 183685, 367370, 516479, 1032958, 2582395, 5164790, 8780143, 17560286, 43900715, 87801430]

約数ペア:

[(1, 87801430), (2, 43900715), (5, 17560286), (10, 8780143), (17, 5164790), (34, 2582395), (85, 1032958), (170, 516479), (239, 367370), (478, 183685), (1195, 73474), (2161, 40630), (2390, 36737), (4063, 21610), (4322, 20315), (8126, 10805)]