81875256

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{439}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 216480000

約数和(自身を除く): 134604744

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 409, 439, 456, 818, 878, 1227, 1317, 1636, 1756, 2454, 2634, 3272, 3512, 4908, 5268, 7771, 8341, 9816, 10536, 15542, 16682, 23313, 25023, 31084, 33364, 46626, 50046, 62168, 66728, 93252, 100092, 179551, 186504, 200184, 359102, 538653, 718204, 1077306, 1436408, 2154612, 3411469, 4309224, 6822938, 10234407, 13645876, 20468814, 27291752, 40937628, 81875256]

約数ペア:

[(1, 81875256), (2, 40937628), (3, 27291752), (4, 20468814), (6, 13645876), (8, 10234407), (12, 6822938), (19, 4309224), (24, 3411469), (38, 2154612), (57, 1436408), (76, 1077306), (114, 718204), (152, 538653), (228, 359102), (409, 200184), (439, 186504), (456, 179551), (818, 100092), (878, 93252), (1227, 66728), (1317, 62168), (1636, 50046), (1756, 46626), (2454, 33364), (2634, 31084), (3272, 25023), (3512, 23313), (4908, 16682), (5268, 15542), (7771, 10536), (8341, 9816)]