643942416

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{33289}}^1$

素因数の和:33344

約数の個数: 80

約数和(自身を含む): 1849326080

約数和(自身を除く): 1205383664

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 39, 48, 52, 62, 78, 93, 104, 124, 156, 186, 208, 248, 312, 372, 403, 496, 624, 744, 806, 1209, 1488, 1612, 2418, 3224, 4836, 6448, 9672, 19344, 33289, 66578, 99867, 133156, 199734, 266312, 399468, 432757, 532624, 798936, 865514, 1031959, 1298271, 1597872, 1731028, 2063918, 2596542, 3095877, 3462056, 4127836, 5193084, 6191754, 6924112, 8255672, 10386168, 12383508, 13415467, 16511344, 20772336, 24767016, 26830934, 40246401, 49534032, 53661868, 80492802, 107323736, 160985604, 214647472, 321971208, 643942416]

約数ペア:

[(1, 643942416), (2, 321971208), (3, 214647472), (4, 160985604), (6, 107323736), (8, 80492802), (12, 53661868), (13, 49534032), (16, 40246401), (24, 26830934), (26, 24767016), (31, 20772336), (39, 16511344), (48, 13415467), (52, 12383508), (62, 10386168), (78, 8255672), (93, 6924112), (104, 6191754), (124, 5193084), (156, 4127836), (186, 3462056), (208, 3095877), (248, 2596542), (312, 2063918), (372, 1731028), (403, 1597872), (496, 1298271), (624, 1031959), (744, 865514), (806, 798936), (1209, 532624), (1488, 432757), (1612, 399468), (2418, 266312), (3224, 199734), (4836, 133156), (6448, 99867), (9672, 66578), (19344, 33289)]