81874728

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87473}}^1$

素因数の和:87498

約数の個数: 48

約数和(自身を含む): 238804020

約数和(自身を除く): 156929292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87473, 174946, 262419, 349892, 524838, 699784, 787257, 1049676, 1137149, 1574514, 2099352, 2274298, 3149028, 3411447, 4548596, 6298056, 6822894, 9097192, 10234341, 13645788, 20468682, 27291576, 40937364, 81874728]

約数ペア:

[(1, 81874728), (2, 40937364), (3, 27291576), (4, 20468682), (6, 13645788), (8, 10234341), (9, 9097192), (12, 6822894), (13, 6298056), (18, 4548596), (24, 3411447), (26, 3149028), (36, 2274298), (39, 2099352), (52, 1574514), (72, 1137149), (78, 1049676), (104, 787257), (117, 699784), (156, 524838), (234, 349892), (312, 262419), (468, 174946), (936, 87473)]