201720428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 72

約数和(自身を含む): 446648832

約数和(自身を除く): 244928404

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 47, 52, 91, 94, 169, 182, 188, 329, 338, 364, 611, 658, 676, 907, 1183, 1222, 1316, 1814, 2366, 2444, 3628, 4277, 4732, 6349, 7943, 8554, 11791, 12698, 15886, 17108, 23582, 25396, 31772, 42629, 47164, 55601, 82537, 85258, 111202, 153283, 165074, 170516, 222404, 298403, 306566, 330148, 554177, 596806, 613132, 1072981, 1108354, 1193612, 2145962, 2216708, 3879239, 4291924, 7204301, 7758478, 14408602, 15516956, 28817204, 50430107, 100860214, 201720428]

約数ペア:

[(1, 201720428), (2, 100860214), (4, 50430107), (7, 28817204), (13, 15516956), (14, 14408602), (26, 7758478), (28, 7204301), (47, 4291924), (52, 3879239), (91, 2216708), (94, 2145962), (169, 1193612), (182, 1108354), (188, 1072981), (329, 613132), (338, 596806), (364, 554177), (611, 330148), (658, 306566), (676, 298403), (907, 222404), (1183, 170516), (1222, 165074), (1316, 153283), (1814, 111202), (2366, 85258), (2444, 82537), (3628, 55601), (4277, 47164), (4732, 42629), (6349, 31772), (7943, 25396), (8554, 23582), (11791, 17108), (12698, 15886)]