209623428

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43781}}^1$

素因数の和:43817

約数の個数: 72

約数和(自身を含む): 637465920

約数和(自身を除く): 427842492

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 4788, 43781, 87562, 131343, 175124, 262686, 306467, 394029, 525372, 612934, 788058, 831839, 919401, 1225868, 1576116, 1663678, 1838802, 2495517, 2758203, 3327356, 3677604, 4991034, 5516406, 5822873, 7486551, 9982068, 11032812, 11645746, 14973102, 17468619, 23291492, 29946204, 34937238, 52405857, 69874476, 104811714, 209623428]

約数ペア:

[(1, 209623428), (2, 104811714), (3, 69874476), (4, 52405857), (6, 34937238), (7, 29946204), (9, 23291492), (12, 17468619), (14, 14973102), (18, 11645746), (19, 11032812), (21, 9982068), (28, 7486551), (36, 5822873), (38, 5516406), (42, 4991034), (57, 3677604), (63, 3327356), (76, 2758203), (84, 2495517), (114, 1838802), (126, 1663678), (133, 1576116), (171, 1225868), (228, 919401), (252, 831839), (266, 788058), (342, 612934), (399, 525372), (532, 394029), (684, 306467), (798, 262686), (1197, 175124), (1596, 131343), (2394, 87562), (4788, 43781)]