890359855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2063}}^1$

素因数の和:2164

約数の個数: 64

約数和(自身を含む): 1426636800

約数和(自身を除く): 536276945

約数列:

[1, 5, 7, 11, 19, 35, 55, 59, 77, 95, 133, 209, 295, 385, 413, 649, 665, 1045, 1121, 1463, 2063, 2065, 3245, 4543, 5605, 7315, 7847, 10315, 12331, 14441, 22693, 22715, 39197, 39235, 61655, 72205, 86317, 113465, 121717, 158851, 195985, 274379, 431167, 431585, 608585, 794255, 852019, 1338887, 1371895, 2155835, 2312623, 3018169, 4260095, 6694435, 9372209, 11563115, 15090845, 16188361, 25438853, 46861045, 80941805, 127194265, 178071971, 890359855]

約数ペア:

[(1, 890359855), (5, 178071971), (7, 127194265), (11, 80941805), (19, 46861045), (35, 25438853), (55, 16188361), (59, 15090845), (77, 11563115), (95, 9372209), (133, 6694435), (209, 4260095), (295, 3018169), (385, 2312623), (413, 2155835), (649, 1371895), (665, 1338887), (1045, 852019), (1121, 794255), (1463, 608585), (2063, 431585), (2065, 431167), (3245, 274379), (4543, 195985), (5605, 158851), (7315, 121717), (7847, 113465), (10315, 86317), (12331, 72205), (14441, 61655), (22693, 39235), (22715, 39197)]