638996952

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{823}}^1$

素因数の和:1033

約数の個数: 128

約数和(自身を含む): 1858152960

約数和(自身を除く): 1219156008

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 173, 187, 204, 264, 346, 374, 408, 519, 561, 692, 748, 823, 1038, 1122, 1384, 1496, 1646, 1903, 2076, 2244, 2469, 2941, 3292, 3806, 4152, 4488, 4938, 5709, 5882, 6584, 7612, 8823, 9053, 9876, 11418, 11764, 13991, 15224, 17646, 18106, 19752, 22836, 23528, 27159, 27982, 32351, 35292, 36212, 41973, 45672, 54318, 55964, 64702, 70584, 72424, 83946, 97053, 108636, 111928, 129404, 142379, 153901, 167892, 194106, 217272, 258808, 284758, 307802, 335784, 388212, 427137, 461703, 569516, 615604, 776424, 854274, 923406, 1139032, 1231208, 1566169, 1708548, 1846812, 2420443, 3132338, 3417096, 3693624, 4698507, 4840886, 6264676, 7261329, 9397014, 9681772, 12529352, 14522658, 18794028, 19363544, 26624873, 29045316, 37588056, 53249746, 58090632, 79874619, 106499492, 159749238, 212998984, 319498476, 638996952]

約数ペア:

[(1, 638996952), (2, 319498476), (3, 212998984), (4, 159749238), (6, 106499492), (8, 79874619), (11, 58090632), (12, 53249746), (17, 37588056), (22, 29045316), (24, 26624873), (33, 19363544), (34, 18794028), (44, 14522658), (51, 12529352), (66, 9681772), (68, 9397014), (88, 7261329), (102, 6264676), (132, 4840886), (136, 4698507), (173, 3693624), (187, 3417096), (204, 3132338), (264, 2420443), (346, 1846812), (374, 1708548), (408, 1566169), (519, 1231208), (561, 1139032), (692, 923406), (748, 854274), (823, 776424), (1038, 615604), (1122, 569516), (1384, 461703), (1496, 427137), (1646, 388212), (1903, 335784), (2076, 307802), (2244, 284758), (2469, 258808), (2941, 217272), (3292, 194106), (3806, 167892), (4152, 153901), (4488, 142379), (4938, 129404), (5709, 111928), (5882, 108636), (6584, 97053), (7612, 83946), (8823, 72424), (9053, 70584), (9876, 64702), (11418, 55964), (11764, 54318), (13991, 45672), (15224, 41973), (17646, 36212), (18106, 35292), (19752, 32351), (22836, 27982), (23528, 27159)]