331324994

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{991}}^1$

素因数の和:1191

約数の個数: 64

約数和(自身を含む): 671956992

約数和(自身を除く): 340631998

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 167, 182, 286, 334, 991, 1001, 1169, 1837, 1982, 2002, 2171, 2338, 3674, 4342, 6937, 10901, 12859, 12883, 13874, 15197, 21802, 23881, 25718, 25766, 30394, 47762, 76307, 90181, 141713, 152614, 165497, 167167, 180362, 283426, 330994, 334334, 991991, 1158479, 1820467, 1983982, 2151461, 2316958, 3640934, 4302922, 12743269, 15060227, 23666071, 25486538, 30120454, 47332142, 165662497, 331324994]

約数ペア:

[(1, 331324994), (2, 165662497), (7, 47332142), (11, 30120454), (13, 25486538), (14, 23666071), (22, 15060227), (26, 12743269), (77, 4302922), (91, 3640934), (143, 2316958), (154, 2151461), (167, 1983982), (182, 1820467), (286, 1158479), (334, 991991), (991, 334334), (1001, 330994), (1169, 283426), (1837, 180362), (1982, 167167), (2002, 165497), (2171, 152614), (2338, 141713), (3674, 90181), (4342, 76307), (6937, 47762), (10901, 30394), (12859, 25766), (12883, 25718), (13874, 23881), (15197, 21802)]