66996736

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 80

約数和(自身を含む): 144365760

約数和(自身を除く): 77369024

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 71, 76, 97, 128, 142, 152, 194, 256, 284, 304, 388, 512, 568, 608, 776, 1136, 1216, 1349, 1552, 1843, 2272, 2432, 2698, 3104, 3686, 4544, 4864, 5396, 6208, 6887, 7372, 9088, 9728, 10792, 12416, 13774, 14744, 18176, 21584, 24832, 27548, 29488, 36352, 43168, 49664, 55096, 58976, 86336, 110192, 117952, 130853, 172672, 220384, 235904, 261706, 345344, 440768, 471808, 523412, 690688, 881536, 943616, 1046824, 1763072, 2093648, 3526144, 4187296, 8374592, 16749184, 33498368, 66996736]

約数ペア:

[(1, 66996736), (2, 33498368), (4, 16749184), (8, 8374592), (16, 4187296), (19, 3526144), (32, 2093648), (38, 1763072), (64, 1046824), (71, 943616), (76, 881536), (97, 690688), (128, 523412), (142, 471808), (152, 440768), (194, 345344), (256, 261706), (284, 235904), (304, 220384), (388, 172672), (512, 130853), (568, 117952), (608, 110192), (776, 86336), (1136, 58976), (1216, 55096), (1349, 49664), (1552, 43168), (1843, 36352), (2272, 29488), (2432, 27548), (2698, 24832), (3104, 21584), (3686, 18176), (4544, 14744), (4864, 13774), (5396, 12416), (6208, 10792), (6887, 9728), (7372, 9088)]