81920972

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{94379}}^1$

素因数の和:94421

約数の個数: 24

約数和(自身を含む): 169128960

約数和(自身を除く): 87207988

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 94379, 188758, 377516, 660653, 1321306, 2642612, 2925749, 5851498, 11702996, 20480243, 40960486, 81920972]

約数ペア:

[(1, 81920972), (2, 40960486), (4, 20480243), (7, 11702996), (14, 5851498), (28, 2925749), (31, 2642612), (62, 1321306), (124, 660653), (217, 377516), (434, 188758), (868, 94379)]