81910184

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{7681}}^1$

素因数の和:7761

約数の個数: 32

約数和(自身を含む): 162243840

約数和(自身を除く): 80333656

約数列:

[1, 2, 4, 8, 31, 43, 62, 86, 124, 172, 248, 344, 1333, 2666, 5332, 7681, 10664, 15362, 30724, 61448, 238111, 330283, 476222, 660566, 952444, 1321132, 1904888, 2642264, 10238773, 20477546, 40955092, 81910184]

約数ペア:

[(1, 81910184), (2, 40955092), (4, 20477546), (8, 10238773), (31, 2642264), (43, 1904888), (62, 1321132), (86, 952444), (124, 660566), (172, 476222), (248, 330283), (344, 238111), (1333, 61448), (2666, 30724), (5332, 15362), (7681, 10664)]