812857544

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:730

約数の個数: 64

約数和(自身を含む): 1639680000

約数和(自身を除く): 826822456

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 139, 152, 158, 278, 316, 487, 556, 632, 974, 1112, 1501, 1948, 2641, 3002, 3896, 5282, 6004, 9253, 10564, 10981, 12008, 18506, 21128, 21962, 37012, 38473, 43924, 67693, 74024, 76946, 87848, 135386, 153892, 208639, 270772, 307784, 417278, 541544, 730987, 834556, 1286167, 1461974, 1669112, 2572334, 2923948, 5144668, 5347747, 5847896, 10289336, 10695494, 21390988, 42781976, 101607193, 203214386, 406428772, 812857544]

約数ペア:

[(1, 812857544), (2, 406428772), (4, 203214386), (8, 101607193), (19, 42781976), (38, 21390988), (76, 10695494), (79, 10289336), (139, 5847896), (152, 5347747), (158, 5144668), (278, 2923948), (316, 2572334), (487, 1669112), (556, 1461974), (632, 1286167), (974, 834556), (1112, 730987), (1501, 541544), (1948, 417278), (2641, 307784), (3002, 270772), (3896, 208639), (5282, 153892), (6004, 135386), (9253, 87848), (10564, 76946), (10981, 74024), (12008, 67693), (18506, 43924), (21128, 38473), (21962, 37012)]