81729604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 161009856

約数和(自身を除く): 79280252

約数列:

[1, 2, 4, 11, 22, 44, 53, 101, 106, 202, 212, 347, 404, 583, 694, 1111, 1166, 1388, 2222, 2332, 3817, 4444, 5353, 7634, 10706, 15268, 18391, 21412, 35047, 36782, 58883, 70094, 73564, 117766, 140188, 202301, 235532, 385517, 404602, 771034, 809204, 1542068, 1857491, 3714982, 7429964, 20432401, 40864802, 81729604]

約数ペア:

[(1, 81729604), (2, 40864802), (4, 20432401), (11, 7429964), (22, 3714982), (44, 1857491), (53, 1542068), (101, 809204), (106, 771034), (202, 404602), (212, 385517), (347, 235532), (404, 202301), (583, 140188), (694, 117766), (1111, 73564), (1166, 70094), (1388, 58883), (2222, 36782), (2332, 35047), (3817, 21412), (4444, 18391), (5353, 15268), (7634, 10706)]