64391238

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{87251}}^1$

素因数の和:87300

約数の個数: 24

約数和(自身を含む): 142918776

約数和(自身を除く): 78527538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 87251, 174502, 261753, 523506, 785259, 1570518, 3577291, 7154582, 10731873, 21463746, 32195619, 64391238]

約数ペア:

[(1, 64391238), (2, 32195619), (3, 21463746), (6, 10731873), (9, 7154582), (18, 3577291), (41, 1570518), (82, 785259), (123, 523506), (246, 261753), (369, 174502), (738, 87251)]