28474864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 65995776

約数和(自身を除く): 37520912

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 176, 187, 248, 272, 307, 341, 374, 496, 527, 614, 682, 748, 1054, 1228, 1364, 1496, 2108, 2456, 2728, 2992, 3377, 4216, 4912, 5219, 5456, 5797, 6754, 8432, 9517, 10438, 11594, 13508, 19034, 20876, 23188, 27016, 38068, 41752, 46376, 54032, 57409, 76136, 83504, 92752, 104687, 114818, 152272, 161789, 209374, 229636, 323578, 418748, 459272, 647156, 837496, 918544, 1294312, 1674992, 1779679, 2588624, 3559358, 7118716, 14237432, 28474864]

約数ペア:

[(1, 28474864), (2, 14237432), (4, 7118716), (8, 3559358), (11, 2588624), (16, 1779679), (17, 1674992), (22, 1294312), (31, 918544), (34, 837496), (44, 647156), (62, 459272), (68, 418748), (88, 323578), (124, 229636), (136, 209374), (176, 161789), (187, 152272), (248, 114818), (272, 104687), (307, 92752), (341, 83504), (374, 76136), (496, 57409), (527, 54032), (614, 46376), (682, 41752), (748, 38068), (1054, 27016), (1228, 23188), (1364, 20876), (1496, 19034), (2108, 13508), (2456, 11594), (2728, 10438), (2992, 9517), (3377, 8432), (4216, 6754), (4912, 5797), (5219, 5456)]