2017554992

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:478

約数の個数: 80

約数和(自身を含む): 4073010144

約数和(自身を除く): 2055455152

約数列:

[1, 2, 4, 8, 16, 61, 97, 101, 122, 194, 202, 211, 244, 388, 404, 422, 488, 776, 808, 844, 976, 1552, 1616, 1688, 3376, 5917, 6161, 9797, 11834, 12322, 12871, 19594, 20467, 21311, 23668, 24644, 25742, 39188, 40934, 42622, 47336, 49288, 51484, 78376, 81868, 85244, 94672, 98576, 102968, 156752, 163736, 170488, 205936, 327472, 340976, 597617, 1195234, 1248487, 1299971, 2067167, 2390468, 2496974, 2599942, 4134334, 4780936, 4993948, 5199884, 8268668, 9561872, 9987896, 10399768, 16537336, 19975792, 20799536, 33074672, 126097187, 252194374, 504388748, 1008777496, 2017554992]

約数ペア:

[(1, 2017554992), (2, 1008777496), (4, 504388748), (8, 252194374), (16, 126097187), (61, 33074672), (97, 20799536), (101, 19975792), (122, 16537336), (194, 10399768), (202, 9987896), (211, 9561872), (244, 8268668), (388, 5199884), (404, 4993948), (422, 4780936), (488, 4134334), (776, 2599942), (808, 2496974), (844, 2390468), (976, 2067167), (1552, 1299971), (1616, 1248487), (1688, 1195234), (3376, 597617), (5917, 340976), (6161, 327472), (9797, 205936), (11834, 170488), (12322, 163736), (12871, 156752), (19594, 102968), (20467, 98576), (21311, 94672), (23668, 85244), (24644, 81868), (25742, 78376), (39188, 51484), (40934, 49288), (42622, 47336)]