251865288

素因数分解:

$2^3\times 3^4\times {\mathrm{197}}^1\times {\mathrm{1973}}^1$

素因数の和:2188

約数の個数: 80

約数和(自身を含む): 709396380

約数和(自身を除く): 457531092

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 197, 216, 324, 394, 591, 648, 788, 1182, 1576, 1773, 1973, 2364, 3546, 3946, 4728, 5319, 5919, 7092, 7892, 10638, 11838, 14184, 15784, 15957, 17757, 21276, 23676, 31914, 35514, 42552, 47352, 53271, 63828, 71028, 106542, 127656, 142056, 159813, 213084, 319626, 388681, 426168, 639252, 777362, 1166043, 1278504, 1554724, 2332086, 3109448, 3498129, 4664172, 6996258, 9328344, 10494387, 13992516, 20988774, 27985032, 31483161, 41977548, 62966322, 83955096, 125932644, 251865288]

約数ペア:

[(1, 251865288), (2, 125932644), (3, 83955096), (4, 62966322), (6, 41977548), (8, 31483161), (9, 27985032), (12, 20988774), (18, 13992516), (24, 10494387), (27, 9328344), (36, 6996258), (54, 4664172), (72, 3498129), (81, 3109448), (108, 2332086), (162, 1554724), (197, 1278504), (216, 1166043), (324, 777362), (394, 639252), (591, 426168), (648, 388681), (788, 319626), (1182, 213084), (1576, 159813), (1773, 142056), (1973, 127656), (2364, 106542), (3546, 71028), (3946, 63828), (4728, 53271), (5319, 47352), (5919, 42552), (7092, 35514), (7892, 31914), (10638, 23676), (11838, 21276), (14184, 17757), (15784, 15957)]