2013551990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{15881}}^1$

素因数の和:16328

約数の個数: 32

約数和(自身を含む): 3750693120

約数和(自身を除く): 1737141130

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 409, 818, 2045, 4090, 12679, 15881, 25358, 31762, 63395, 79405, 126790, 158810, 492311, 984622, 2461555, 4923110, 6495329, 12990658, 32476645, 64953290, 201355199, 402710398, 1006775995, 2013551990]

約数ペア:

[(1, 2013551990), (2, 1006775995), (5, 402710398), (10, 201355199), (31, 64953290), (62, 32476645), (155, 12990658), (310, 6495329), (409, 4923110), (818, 2461555), (2045, 984622), (4090, 492311), (12679, 158810), (15881, 126790), (25358, 79405), (31762, 63395)]