181218856

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{827}}^1$

素因数の和:903

約数の個数: 96

約数和(自身を含む): 436091040

約数和(自身を除く): 254872184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 49, 52, 56, 86, 91, 98, 104, 172, 182, 196, 301, 344, 364, 392, 559, 602, 637, 728, 827, 1118, 1204, 1274, 1654, 2107, 2236, 2408, 2548, 3308, 3913, 4214, 4472, 5096, 5789, 6616, 7826, 8428, 10751, 11578, 15652, 16856, 21502, 23156, 27391, 31304, 35561, 40523, 43004, 46312, 54782, 71122, 75257, 81046, 86008, 109564, 142244, 150514, 162092, 219128, 248927, 284488, 301028, 324184, 462293, 497854, 526799, 602056, 924586, 995708, 1053598, 1742489, 1849172, 1991416, 2107196, 3236051, 3484978, 3698344, 4214392, 6472102, 6969956, 12944204, 13939912, 22652357, 25888408, 45304714, 90609428, 181218856]

約数ペア:

[(1, 181218856), (2, 90609428), (4, 45304714), (7, 25888408), (8, 22652357), (13, 13939912), (14, 12944204), (26, 6969956), (28, 6472102), (43, 4214392), (49, 3698344), (52, 3484978), (56, 3236051), (86, 2107196), (91, 1991416), (98, 1849172), (104, 1742489), (172, 1053598), (182, 995708), (196, 924586), (301, 602056), (344, 526799), (364, 497854), (392, 462293), (559, 324184), (602, 301028), (637, 284488), (728, 248927), (827, 219128), (1118, 162092), (1204, 150514), (1274, 142244), (1654, 109564), (2107, 86008), (2236, 81046), (2408, 75257), (2548, 71122), (3308, 54782), (3913, 46312), (4214, 43004), (4472, 40523), (5096, 35561), (5789, 31304), (6616, 27391), (7826, 23156), (8428, 21502), (10751, 16856), (11578, 15652)]