438646768

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^3\times {\mathrm{571}}^1$

素因数の和:643

約数の個数: 80

約数和(自身を含む): 1027037440

約数和(自身を除く): 588390672

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 361, 532, 571, 722, 1064, 1142, 1444, 2128, 2284, 2527, 2888, 3997, 4568, 5054, 5776, 6859, 7994, 9136, 10108, 10849, 13718, 15988, 20216, 21698, 27436, 31976, 40432, 43396, 48013, 54872, 63952, 75943, 86792, 96026, 109744, 151886, 173584, 192052, 206131, 303772, 384104, 412262, 607544, 768208, 824524, 1215088, 1442917, 1649048, 2885834, 3298096, 3916489, 5771668, 7832978, 11543336, 15665956, 23086672, 27415423, 31331912, 54830846, 62663824, 109661692, 219323384, 438646768]

約数ペア:

[(1, 438646768), (2, 219323384), (4, 109661692), (7, 62663824), (8, 54830846), (14, 31331912), (16, 27415423), (19, 23086672), (28, 15665956), (38, 11543336), (56, 7832978), (76, 5771668), (112, 3916489), (133, 3298096), (152, 2885834), (266, 1649048), (304, 1442917), (361, 1215088), (532, 824524), (571, 768208), (722, 607544), (1064, 412262), (1142, 384104), (1444, 303772), (2128, 206131), (2284, 192052), (2527, 173584), (2888, 151886), (3997, 109744), (4568, 96026), (5054, 86792), (5776, 75943), (6859, 63952), (7994, 54872), (9136, 48013), (10108, 43396), (10849, 40432), (13718, 31976), (15988, 27436), (20216, 21698)]