646989678

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{11243}}^1$

素因数の和:11413

約数の個数: 48

約数和(自身を含む): 1473413760

約数和(自身を除く): 826424082

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 139, 207, 278, 414, 417, 834, 1251, 2502, 3197, 6394, 9591, 11243, 19182, 22486, 28773, 33729, 57546, 67458, 101187, 202374, 258589, 517178, 775767, 1551534, 1562777, 2327301, 3125554, 4654602, 4688331, 9376662, 14064993, 28129986, 35943871, 71887742, 107831613, 215663226, 323494839, 646989678]

約数ペア:

[(1, 646989678), (2, 323494839), (3, 215663226), (6, 107831613), (9, 71887742), (18, 35943871), (23, 28129986), (46, 14064993), (69, 9376662), (138, 4688331), (139, 4654602), (207, 3125554), (278, 2327301), (414, 1562777), (417, 1551534), (834, 775767), (1251, 517178), (2502, 258589), (3197, 202374), (6394, 101187), (9591, 67458), (11243, 57546), (19182, 33729), (22486, 28773)]