66561248

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:188

約数の個数: 72

約数和(自身を含む): 146810664

約数和(自身を除く): 80249416

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 61, 86, 104, 122, 172, 208, 244, 344, 416, 488, 559, 688, 793, 976, 1118, 1376, 1586, 1952, 2236, 2623, 3172, 3721, 4472, 5246, 6344, 7442, 8944, 10492, 12688, 14884, 17888, 20984, 25376, 29768, 34099, 41968, 48373, 59536, 68198, 83936, 96746, 119072, 136396, 160003, 193492, 272792, 320006, 386984, 545584, 640012, 773968, 1091168, 1280024, 1547936, 2080039, 2560048, 4160078, 5120096, 8320156, 16640312, 33280624, 66561248]

約数ペア:

[(1, 66561248), (2, 33280624), (4, 16640312), (8, 8320156), (13, 5120096), (16, 4160078), (26, 2560048), (32, 2080039), (43, 1547936), (52, 1280024), (61, 1091168), (86, 773968), (104, 640012), (122, 545584), (172, 386984), (208, 320006), (244, 272792), (344, 193492), (416, 160003), (488, 136396), (559, 119072), (688, 96746), (793, 83936), (976, 68198), (1118, 59536), (1376, 48373), (1586, 41968), (1952, 34099), (2236, 29768), (2623, 25376), (3172, 20984), (3721, 17888), (4472, 14884), (5246, 12688), (6344, 10492), (7442, 8944)]