1990658878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1783}}^1\times {\mathrm{1867}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 3359172096

約数和(自身を除く): 1368513218

約数列:

[1, 2, 13, 23, 26, 46, 299, 598, 1783, 1867, 3566, 3734, 23179, 24271, 41009, 42941, 46358, 48542, 82018, 85882, 533117, 558233, 1066234, 1116466, 3328861, 6657722, 43275193, 76563803, 86550386, 153127606, 995329439, 1990658878]

約数ペア:

[(1, 1990658878), (2, 995329439), (13, 153127606), (23, 86550386), (26, 76563803), (46, 43275193), (299, 6657722), (598, 3328861), (1783, 1116466), (1867, 1066234), (3566, 558233), (3734, 533117), (23179, 85882), (24271, 82018), (41009, 48542), (42941, 46358)]