64790128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 145678176

約数和(自身を除く): 80888048

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 73, 104, 136, 146, 208, 221, 251, 272, 292, 442, 502, 584, 884, 949, 1004, 1168, 1241, 1768, 1898, 2008, 2482, 3263, 3536, 3796, 4016, 4267, 4964, 6526, 7592, 8534, 9928, 13052, 15184, 16133, 17068, 18323, 19856, 26104, 32266, 34136, 36646, 52208, 55471, 64532, 68272, 73292, 110942, 129064, 146584, 221884, 238199, 258128, 293168, 311491, 443768, 476398, 622982, 887536, 952796, 1245964, 1905592, 2491928, 3811184, 4049383, 4983856, 8098766, 16197532, 32395064, 64790128]

約数ペア:

[(1, 64790128), (2, 32395064), (4, 16197532), (8, 8098766), (13, 4983856), (16, 4049383), (17, 3811184), (26, 2491928), (34, 1905592), (52, 1245964), (68, 952796), (73, 887536), (104, 622982), (136, 476398), (146, 443768), (208, 311491), (221, 293168), (251, 258128), (272, 238199), (292, 221884), (442, 146584), (502, 129064), (584, 110942), (884, 73292), (949, 68272), (1004, 64532), (1168, 55471), (1241, 52208), (1768, 36646), (1898, 34136), (2008, 32266), (2482, 26104), (3263, 19856), (3536, 18323), (3796, 17068), (4016, 16133), (4267, 15184), (4964, 13052), (6526, 9928), (7592, 8534)]