25287724

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{317}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 57858192

約数和(自身を除く): 32570468

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 37, 44, 49, 74, 77, 98, 148, 154, 196, 259, 308, 317, 407, 518, 539, 634, 814, 1036, 1078, 1268, 1628, 1813, 2156, 2219, 2849, 3487, 3626, 4438, 5698, 6974, 7252, 8876, 11396, 11729, 13948, 15533, 19943, 23458, 24409, 31066, 39886, 46916, 48818, 62132, 79772, 82103, 97636, 129019, 164206, 170863, 258038, 328412, 341726, 516076, 574721, 683452, 903133, 1149442, 1806266, 2298884, 3612532, 6321931, 12643862, 25287724]

約数ペア:

[(1, 25287724), (2, 12643862), (4, 6321931), (7, 3612532), (11, 2298884), (14, 1806266), (22, 1149442), (28, 903133), (37, 683452), (44, 574721), (49, 516076), (74, 341726), (77, 328412), (98, 258038), (148, 170863), (154, 164206), (196, 129019), (259, 97636), (308, 82103), (317, 79772), (407, 62132), (518, 48818), (539, 46916), (634, 39886), (814, 31066), (1036, 24409), (1078, 23458), (1268, 19943), (1628, 15533), (1813, 13948), (2156, 11729), (2219, 11396), (2849, 8876), (3487, 7252), (3626, 6974), (4438, 5698)]