81154972

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{991}}^1$

素因数の和:1401

約数の個数: 24

約数和(自身を含む): 144990720

約数和(自身を除く): 63835748

約数列:

[1, 2, 4, 59, 118, 236, 347, 694, 991, 1388, 1982, 3964, 20473, 40946, 58469, 81892, 116938, 233876, 343877, 687754, 1375508, 20288743, 40577486, 81154972]

約数ペア:

[(1, 81154972), (2, 40577486), (4, 20288743), (59, 1375508), (118, 687754), (236, 343877), (347, 233876), (694, 116938), (991, 81892), (1388, 58469), (1982, 40946), (3964, 20473)]