989553544

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 2359238400

約数和(自身を除く): 1369684856

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 29, 34, 56, 58, 68, 73, 116, 119, 136, 146, 203, 232, 238, 292, 406, 476, 491, 493, 511, 584, 812, 952, 982, 986, 1022, 1241, 1624, 1964, 1972, 2044, 2117, 2482, 3437, 3451, 3928, 3944, 4088, 4234, 4964, 6874, 6902, 8347, 8468, 8687, 9928, 13748, 13804, 14239, 14819, 16694, 16936, 17374, 27496, 27608, 28478, 29638, 33388, 34748, 35843, 35989, 56956, 58429, 59276, 66776, 69496, 71686, 71978, 99673, 113912, 116858, 118552, 143372, 143956, 199346, 233716, 242063, 250901, 251923, 286744, 287912, 398692, 467432, 484126, 501802, 503846, 609331, 797384, 968252, 1003604, 1007692, 1039447, 1218662, 1694441, 1936504, 2007208, 2015384, 2078894, 2437324, 3388882, 4157788, 4265317, 4874648, 6777764, 7276129, 8315576, 8530634, 13555528, 14552258, 17061268, 17670599, 29104516, 34122536, 35341198, 58209032, 70682396, 123694193, 141364792, 247388386, 494776772, 989553544]

約数ペア:

[(1, 989553544), (2, 494776772), (4, 247388386), (7, 141364792), (8, 123694193), (14, 70682396), (17, 58209032), (28, 35341198), (29, 34122536), (34, 29104516), (56, 17670599), (58, 17061268), (68, 14552258), (73, 13555528), (116, 8530634), (119, 8315576), (136, 7276129), (146, 6777764), (203, 4874648), (232, 4265317), (238, 4157788), (292, 3388882), (406, 2437324), (476, 2078894), (491, 2015384), (493, 2007208), (511, 1936504), (584, 1694441), (812, 1218662), (952, 1039447), (982, 1007692), (986, 1003604), (1022, 968252), (1241, 797384), (1624, 609331), (1964, 503846), (1972, 501802), (2044, 484126), (2117, 467432), (2482, 398692), (3437, 287912), (3451, 286744), (3928, 251923), (3944, 250901), (4088, 242063), (4234, 233716), (4964, 199346), (6874, 143956), (6902, 143372), (8347, 118552), (8468, 116858), (8687, 113912), (9928, 99673), (13748, 71978), (13804, 71686), (14239, 69496), (14819, 66776), (16694, 59276), (16936, 58429), (17374, 56956), (27496, 35989), (27608, 35843), (28478, 34748), (29638, 33388)]