331919728

素因数分解:

$2^4\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1951}}^1$

素因数の和:2011

約数の個数: 80

約数和(自身を含む): 774553600

約数和(自身を除く): 442633872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 343, 392, 434, 496, 686, 784, 868, 1372, 1519, 1736, 1951, 2744, 3038, 3472, 3902, 5488, 6076, 7804, 10633, 12152, 13657, 15608, 21266, 24304, 27314, 31216, 42532, 54628, 60481, 85064, 95599, 109256, 120962, 170128, 191198, 218512, 241924, 382396, 423367, 483848, 669193, 764792, 846734, 967696, 1338386, 1529584, 1693468, 2676772, 2963569, 3386936, 5353544, 5927138, 6773872, 10707088, 11854276, 20744983, 23708552, 41489966, 47417104, 82979932, 165959864, 331919728]

約数ペア:

[(1, 331919728), (2, 165959864), (4, 82979932), (7, 47417104), (8, 41489966), (14, 23708552), (16, 20744983), (28, 11854276), (31, 10707088), (49, 6773872), (56, 5927138), (62, 5353544), (98, 3386936), (112, 2963569), (124, 2676772), (196, 1693468), (217, 1529584), (248, 1338386), (343, 967696), (392, 846734), (434, 764792), (496, 669193), (686, 483848), (784, 423367), (868, 382396), (1372, 241924), (1519, 218512), (1736, 191198), (1951, 170128), (2744, 120962), (3038, 109256), (3472, 95599), (3902, 85064), (5488, 60481), (6076, 54628), (7804, 42532), (10633, 31216), (12152, 27314), (13657, 24304), (15608, 21266)]