28318208

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 80

約数和(自身を含む): 61871040

約数和(自身を除く): 33552832

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 41, 64, 71, 76, 82, 128, 142, 152, 164, 256, 284, 304, 328, 512, 568, 608, 656, 779, 1136, 1216, 1312, 1349, 1558, 2272, 2432, 2624, 2698, 2911, 3116, 4544, 4864, 5248, 5396, 5822, 6232, 9088, 9728, 10496, 10792, 11644, 12464, 18176, 20992, 21584, 23288, 24928, 36352, 43168, 46576, 49856, 55309, 86336, 93152, 99712, 110618, 172672, 186304, 199424, 221236, 345344, 372608, 398848, 442472, 690688, 745216, 884944, 1490432, 1769888, 3539776, 7079552, 14159104, 28318208]

約数ペア:

[(1, 28318208), (2, 14159104), (4, 7079552), (8, 3539776), (16, 1769888), (19, 1490432), (32, 884944), (38, 745216), (41, 690688), (64, 442472), (71, 398848), (76, 372608), (82, 345344), (128, 221236), (142, 199424), (152, 186304), (164, 172672), (256, 110618), (284, 99712), (304, 93152), (328, 86336), (512, 55309), (568, 49856), (608, 46576), (656, 43168), (779, 36352), (1136, 24928), (1216, 23288), (1312, 21584), (1349, 20992), (1558, 18176), (2272, 12464), (2432, 11644), (2624, 10792), (2698, 10496), (2911, 9728), (3116, 9088), (4544, 6232), (4864, 5822), (5248, 5396)]