661583572

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1987}}^1$

素因数の和:2360

約数の個数: 48

約数和(自身を含む): 1317010240

約数和(自身を除く): 655426668

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 337, 494, 674, 988, 1348, 1987, 3974, 4381, 6403, 7948, 8762, 12806, 17524, 25612, 25831, 37753, 51662, 75506, 83239, 103324, 151012, 166478, 332956, 490789, 669619, 981578, 1339238, 1963156, 2678476, 8705047, 12722761, 17410094, 25445522, 34820188, 50891044, 165395893, 330791786, 661583572]

約数ペア:

[(1, 661583572), (2, 330791786), (4, 165395893), (13, 50891044), (19, 34820188), (26, 25445522), (38, 17410094), (52, 12722761), (76, 8705047), (247, 2678476), (337, 1963156), (494, 1339238), (674, 981578), (988, 669619), (1348, 490789), (1987, 332956), (3974, 166478), (4381, 151012), (6403, 103324), (7948, 83239), (8762, 75506), (12806, 51662), (17524, 37753), (25612, 25831)]