257246712

素因数分解:

$2^3\times 3^3\times {\mathrm{149}}^1\times {\mathrm{7993}}^1$

素因数の和:8157

約数の個数: 64

約数和(自身を含む): 719460000

約数和(自身を除く): 462213288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 149, 216, 298, 447, 596, 894, 1192, 1341, 1788, 2682, 3576, 4023, 5364, 7993, 8046, 10728, 15986, 16092, 23979, 31972, 32184, 47958, 63944, 71937, 95916, 143874, 191832, 215811, 287748, 431622, 575496, 863244, 1190957, 1726488, 2381914, 3572871, 4763828, 7145742, 9527656, 10718613, 14291484, 21437226, 28582968, 32155839, 42874452, 64311678, 85748904, 128623356, 257246712]

約数ペア:

[(1, 257246712), (2, 128623356), (3, 85748904), (4, 64311678), (6, 42874452), (8, 32155839), (9, 28582968), (12, 21437226), (18, 14291484), (24, 10718613), (27, 9527656), (36, 7145742), (54, 4763828), (72, 3572871), (108, 2381914), (149, 1726488), (216, 1190957), (298, 863244), (447, 575496), (596, 431622), (894, 287748), (1192, 215811), (1341, 191832), (1788, 143874), (2682, 95916), (3576, 71937), (4023, 63944), (5364, 47958), (7993, 32184), (8046, 31972), (10728, 23979), (15986, 16092)]