90212408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{78857}}^1$

素因数の和:78887

約数の個数: 32

約数和(自身を含む): 198722160

約数和(自身を除く): 108509752

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 78857, 157714, 315428, 630856, 867427, 1025141, 1734854, 2050282, 3469708, 4100564, 6939416, 8201128, 11276551, 22553102, 45106204, 90212408]

約数ペア:

[(1, 90212408), (2, 45106204), (4, 22553102), (8, 11276551), (11, 8201128), (13, 6939416), (22, 4100564), (26, 3469708), (44, 2050282), (52, 1734854), (88, 1025141), (104, 867427), (143, 630856), (286, 315428), (572, 157714), (1144, 78857)]