845871208

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1013}}^1$

素因数の和:1107

約数の個数: 128

約数和(自身を含む): 2071480320

約数和(自身を除く): 1225609112

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 37, 52, 56, 62, 74, 91, 104, 124, 148, 182, 217, 248, 259, 296, 364, 403, 434, 481, 518, 728, 806, 868, 962, 1013, 1036, 1147, 1612, 1736, 1924, 2026, 2072, 2294, 2821, 3224, 3367, 3848, 4052, 4588, 5642, 6734, 7091, 8029, 8104, 9176, 11284, 13169, 13468, 14182, 14911, 16058, 22568, 26338, 26936, 28364, 29822, 31403, 32116, 37481, 52676, 56728, 59644, 62806, 64232, 74962, 92183, 104377, 105352, 119288, 125612, 149924, 184366, 208754, 219821, 251224, 262367, 299848, 368732, 408239, 417508, 439642, 487253, 524734, 737464, 816478, 835016, 879284, 974506, 1049468, 1161911, 1632956, 1758568, 1949012, 2098936, 2323822, 2857673, 3265912, 3410771, 3898024, 4647644, 5715346, 6821542, 8133377, 9295288, 11430692, 13643084, 15104843, 16266754, 22861384, 27286168, 30209686, 32533508, 60419372, 65067016, 105733901, 120838744, 211467802, 422935604, 845871208]

約数ペア:

[(1, 845871208), (2, 422935604), (4, 211467802), (7, 120838744), (8, 105733901), (13, 65067016), (14, 60419372), (26, 32533508), (28, 30209686), (31, 27286168), (37, 22861384), (52, 16266754), (56, 15104843), (62, 13643084), (74, 11430692), (91, 9295288), (104, 8133377), (124, 6821542), (148, 5715346), (182, 4647644), (217, 3898024), (248, 3410771), (259, 3265912), (296, 2857673), (364, 2323822), (403, 2098936), (434, 1949012), (481, 1758568), (518, 1632956), (728, 1161911), (806, 1049468), (868, 974506), (962, 879284), (1013, 835016), (1036, 816478), (1147, 737464), (1612, 524734), (1736, 487253), (1924, 439642), (2026, 417508), (2072, 408239), (2294, 368732), (2821, 299848), (3224, 262367), (3367, 251224), (3848, 219821), (4052, 208754), (4588, 184366), (5642, 149924), (6734, 125612), (7091, 119288), (8029, 105352), (8104, 104377), (9176, 92183), (11284, 74962), (13169, 64232), (13468, 62806), (14182, 59644), (14911, 56728), (16058, 52676), (22568, 37481), (26338, 32116), (26936, 31403), (28364, 29822)]