217958468

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{757}}^1$

素因数の和:901

約数の個数: 72

約数和(自身を含む): 482697432

約数和(自身を除く): 264738964

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 113, 182, 196, 226, 364, 452, 637, 757, 791, 1274, 1469, 1514, 1582, 2548, 2938, 3028, 3164, 5299, 5537, 5876, 9841, 10283, 10598, 11074, 19682, 20566, 21196, 22148, 37093, 39364, 41132, 68887, 71981, 74186, 85541, 137774, 143962, 148372, 171082, 275548, 287924, 342164, 482209, 598787, 964418, 1112033, 1197574, 1928836, 2224066, 2395148, 4191509, 4448132, 7784231, 8383018, 15568462, 16766036, 31136924, 54489617, 108979234, 217958468]

約数ペア:

[(1, 217958468), (2, 108979234), (4, 54489617), (7, 31136924), (13, 16766036), (14, 15568462), (26, 8383018), (28, 7784231), (49, 4448132), (52, 4191509), (91, 2395148), (98, 2224066), (113, 1928836), (182, 1197574), (196, 1112033), (226, 964418), (364, 598787), (452, 482209), (637, 342164), (757, 287924), (791, 275548), (1274, 171082), (1469, 148372), (1514, 143962), (1582, 137774), (2548, 85541), (2938, 74186), (3028, 71981), (3164, 68887), (5299, 41132), (5537, 39364), (5876, 37093), (9841, 22148), (10283, 21196), (10598, 20566), (11074, 19682)]