81893628

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^2\times {\mathrm{223}}^1$

素因数の和:435

約数の個数: 54

約数和(自身を含む): 210016352

約数和(自身を除く): 128122724

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 223, 303, 404, 446, 606, 669, 892, 909, 1212, 1338, 1818, 2007, 2676, 3636, 4014, 8028, 10201, 20402, 22523, 30603, 40804, 45046, 61206, 67569, 90092, 91809, 122412, 135138, 183618, 202707, 270276, 367236, 405414, 810828, 2274823, 4549646, 6824469, 9099292, 13648938, 20473407, 27297876, 40946814, 81893628]

約数ペア:

[(1, 81893628), (2, 40946814), (3, 27297876), (4, 20473407), (6, 13648938), (9, 9099292), (12, 6824469), (18, 4549646), (36, 2274823), (101, 810828), (202, 405414), (223, 367236), (303, 270276), (404, 202707), (446, 183618), (606, 135138), (669, 122412), (892, 91809), (909, 90092), (1212, 67569), (1338, 61206), (1818, 45046), (2007, 40804), (2676, 30603), (3636, 22523), (4014, 20402), (8028, 10201)]