25967528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 54648000

約数和(自身を除く): 28680472

約数列:

[1, 2, 4, 8, 19, 29, 38, 43, 58, 76, 86, 116, 137, 152, 172, 232, 274, 344, 548, 551, 817, 1096, 1102, 1247, 1634, 2204, 2494, 2603, 3268, 3973, 4408, 4988, 5206, 5891, 6536, 7946, 9976, 10412, 11782, 15892, 20824, 23564, 23693, 31784, 47128, 47386, 75487, 94772, 111929, 150974, 170839, 189544, 223858, 301948, 341678, 447716, 603896, 683356, 895432, 1366712, 3245941, 6491882, 12983764, 25967528]

約数ペア:

[(1, 25967528), (2, 12983764), (4, 6491882), (8, 3245941), (19, 1366712), (29, 895432), (38, 683356), (43, 603896), (58, 447716), (76, 341678), (86, 301948), (116, 223858), (137, 189544), (152, 170839), (172, 150974), (232, 111929), (274, 94772), (344, 75487), (548, 47386), (551, 47128), (817, 31784), (1096, 23693), (1102, 23564), (1247, 20824), (1634, 15892), (2204, 11782), (2494, 10412), (2603, 9976), (3268, 7946), (3973, 6536), (4408, 5891), (4988, 5206)]