156744718

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 64

約数和(自身を含む): 280304640

約数和(自身を除く): 123559922

約数列:

[1, 2, 13, 19, 26, 38, 43, 47, 86, 94, 157, 247, 314, 494, 559, 611, 817, 893, 1118, 1222, 1634, 1786, 2021, 2041, 2983, 4042, 4082, 5966, 6751, 7379, 10621, 11609, 13502, 14758, 21242, 23218, 26273, 38399, 38779, 52546, 76798, 77558, 87763, 95927, 128269, 140201, 175526, 191854, 256538, 280402, 317297, 499187, 634594, 998374, 1667497, 1822613, 3334994, 3645226, 4124861, 6028643, 8249722, 12057286, 78372359, 156744718]

約数ペア:

[(1, 156744718), (2, 78372359), (13, 12057286), (19, 8249722), (26, 6028643), (38, 4124861), (43, 3645226), (47, 3334994), (86, 1822613), (94, 1667497), (157, 998374), (247, 634594), (314, 499187), (494, 317297), (559, 280402), (611, 256538), (817, 191854), (893, 175526), (1118, 140201), (1222, 128269), (1634, 95927), (1786, 87763), (2021, 77558), (2041, 76798), (2983, 52546), (4042, 38779), (4082, 38399), (5966, 26273), (6751, 23218), (7379, 21242), (10621, 14758), (11609, 13502)]