1649372672

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3943}}^1$

素因数の和:4023

約数の個数: 80

約数和(自身を含む): 3550546560

約数和(自身を除く): 1901173888

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 128, 152, 172, 256, 304, 344, 512, 608, 688, 817, 1216, 1376, 1634, 2432, 2752, 3268, 3943, 4864, 5504, 6536, 7886, 9728, 11008, 13072, 15772, 22016, 26144, 31544, 52288, 63088, 74917, 104576, 126176, 149834, 169549, 209152, 252352, 299668, 339098, 418304, 504704, 599336, 678196, 1009408, 1198672, 1356392, 2018816, 2397344, 2712784, 3221431, 4794688, 5425568, 6442862, 9589376, 10851136, 12885724, 19178752, 21702272, 25771448, 38357504, 43404544, 51542896, 86809088, 103085792, 206171584, 412343168, 824686336, 1649372672]

約数ペア:

[(1, 1649372672), (2, 824686336), (4, 412343168), (8, 206171584), (16, 103085792), (19, 86809088), (32, 51542896), (38, 43404544), (43, 38357504), (64, 25771448), (76, 21702272), (86, 19178752), (128, 12885724), (152, 10851136), (172, 9589376), (256, 6442862), (304, 5425568), (344, 4794688), (512, 3221431), (608, 2712784), (688, 2397344), (817, 2018816), (1216, 1356392), (1376, 1198672), (1634, 1009408), (2432, 678196), (2752, 599336), (3268, 504704), (3943, 418304), (4864, 339098), (5504, 299668), (6536, 252352), (7886, 209152), (9728, 169549), (11008, 149834), (13072, 126176), (15772, 104576), (22016, 74917), (26144, 63088), (31544, 52288)]