28409392

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 80

約数和(自身を含む): 63995904

約数和(自身を除く): 35586512

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 41, 44, 62, 82, 88, 124, 127, 164, 176, 248, 254, 328, 341, 451, 496, 508, 656, 682, 902, 1016, 1271, 1364, 1397, 1804, 2032, 2542, 2728, 2794, 3608, 3937, 5084, 5207, 5456, 5588, 7216, 7874, 10168, 10414, 11176, 13981, 15748, 20336, 20828, 22352, 27962, 31496, 41656, 43307, 55924, 57277, 62992, 83312, 86614, 111848, 114554, 161417, 173228, 223696, 229108, 322834, 346456, 458216, 645668, 692912, 916432, 1291336, 1775587, 2582672, 3551174, 7102348, 14204696, 28409392]

約数ペア:

[(1, 28409392), (2, 14204696), (4, 7102348), (8, 3551174), (11, 2582672), (16, 1775587), (22, 1291336), (31, 916432), (41, 692912), (44, 645668), (62, 458216), (82, 346456), (88, 322834), (124, 229108), (127, 223696), (164, 173228), (176, 161417), (248, 114554), (254, 111848), (328, 86614), (341, 83312), (451, 62992), (496, 57277), (508, 55924), (656, 43307), (682, 41656), (902, 31496), (1016, 27962), (1271, 22352), (1364, 20828), (1397, 20336), (1804, 15748), (2032, 13981), (2542, 11176), (2728, 10414), (2794, 10168), (3608, 7874), (3937, 7216), (5084, 5588), (5207, 5456)]