25291288

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 54558720

約数和(自身を除く): 29267432

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 73, 88, 124, 127, 146, 248, 254, 292, 341, 508, 584, 682, 803, 1016, 1364, 1397, 1606, 2263, 2728, 2794, 3212, 3937, 4526, 5588, 6424, 7874, 9052, 9271, 11176, 15748, 18104, 18542, 24893, 31496, 37084, 43307, 49786, 74168, 86614, 99572, 101981, 173228, 199144, 203962, 287401, 346456, 407924, 574802, 815848, 1149604, 2299208, 3161411, 6322822, 12645644, 25291288]

約数ペア:

[(1, 25291288), (2, 12645644), (4, 6322822), (8, 3161411), (11, 2299208), (22, 1149604), (31, 815848), (44, 574802), (62, 407924), (73, 346456), (88, 287401), (124, 203962), (127, 199144), (146, 173228), (248, 101981), (254, 99572), (292, 86614), (341, 74168), (508, 49786), (584, 43307), (682, 37084), (803, 31496), (1016, 24893), (1364, 18542), (1397, 18104), (1606, 15748), (2263, 11176), (2728, 9271), (2794, 9052), (3212, 7874), (3937, 6424), (4526, 5588)]