220128038

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{2131}}^1$

素因数の和:2312

約数の個数: 32

約数和(自身を含む): 370712160

約数和(自身を除く): 150584122

約数列:

[1, 2, 13, 26, 29, 58, 137, 274, 377, 754, 1781, 2131, 3562, 3973, 4262, 7946, 27703, 51649, 55406, 61799, 103298, 123598, 291947, 583894, 803387, 1606774, 3795311, 7590622, 8466463, 16932926, 110064019, 220128038]

約数ペア:

[(1, 220128038), (2, 110064019), (13, 16932926), (26, 8466463), (29, 7590622), (58, 3795311), (137, 1606774), (274, 803387), (377, 583894), (754, 291947), (1781, 123598), (2131, 103298), (3562, 61799), (3973, 55406), (4262, 51649), (7946, 27703)]