201811225

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2626

約数の個数: 48

約数和(自身を含む): 319729536

約数和(自身を除く): 117918311

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 175, 205, 275, 287, 385, 451, 1025, 1435, 1925, 2255, 2557, 3157, 7175, 11275, 12785, 15785, 17899, 28127, 63925, 78925, 89495, 104837, 140635, 196889, 447475, 524185, 703175, 733859, 984445, 1153207, 2620925, 3669295, 4922225, 5766035, 8072449, 18346475, 28830175, 40362245, 201811225]

約数ペア:

[(1, 201811225), (5, 40362245), (7, 28830175), (11, 18346475), (25, 8072449), (35, 5766035), (41, 4922225), (55, 3669295), (77, 2620925), (175, 1153207), (205, 984445), (275, 733859), (287, 703175), (385, 524185), (451, 447475), (1025, 196889), (1435, 140635), (1925, 104837), (2255, 89495), (2557, 78925), (3157, 63925), (7175, 28127), (11275, 17899), (12785, 15785)]