81455902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^2\times {\mathrm{349}}^1$

素因数の和:568

約数の個数: 24

約数和(自身を含む): 134983800

約数和(自身を除く): 53527898

約数列:

[1, 2, 11, 22, 103, 206, 349, 698, 1133, 2266, 3839, 7678, 10609, 21218, 35947, 71894, 116699, 233398, 395417, 790834, 3702541, 7405082, 40727951, 81455902]

約数ペア:

[(1, 81455902), (2, 40727951), (11, 7405082), (22, 3702541), (103, 790834), (206, 395417), (349, 233398), (698, 116699), (1133, 71894), (2266, 35947), (3839, 21218), (7678, 10609)]