918240497138

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{52721}}^1$

素因数の和:52983

約数の個数: 64

約数和(自身を含む): 1496528732160

約数和(自身を除く): 578288235022

約数列:

[1, 2, 31, 43, 47, 62, 86, 94, 139, 278, 1333, 1457, 2021, 2666, 2914, 4042, 4309, 5977, 6533, 8618, 11954, 13066, 52721, 62651, 105442, 125302, 185287, 202523, 280919, 370574, 405046, 561838, 1634351, 2267003, 2477887, 3268702, 4534006, 4955774, 7328219, 8708489, 14656438, 17416978, 70277093, 76814497, 106549141, 140554186, 153628994, 213098282, 227174789, 315113417, 344426293, 454349578, 630226834, 688852586, 3303023371, 6606046742, 9768515927, 10677215083, 14810330599, 19537031854, 21354430166, 29620661198, 459120248569, 918240497138]

約数ペア:

[(1, 918240497138), (2, 459120248569), (31, 29620661198), (43, 21354430166), (47, 19537031854), (62, 14810330599), (86, 10677215083), (94, 9768515927), (139, 6606046742), (278, 3303023371), (1333, 688852586), (1457, 630226834), (2021, 454349578), (2666, 344426293), (2914, 315113417), (4042, 227174789), (4309, 213098282), (5977, 153628994), (6533, 140554186), (8618, 106549141), (11954, 76814497), (13066, 70277093), (52721, 17416978), (62651, 14656438), (105442, 8708489), (125302, 7328219), (185287, 4955774), (202523, 4534006), (280919, 3268702), (370574, 2477887), (405046, 2267003), (561838, 1634351)]