138718076

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{12113}}^1$

素因数の和:12533

約数の個数: 24

約数和(自身を含む): 278137440

約数和(自身を除く): 139419364

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 12113, 24226, 48452, 84791, 169582, 339164, 4954217, 9908434, 19816868, 34679519, 69359038, 138718076]

約数ペア:

[(1, 138718076), (2, 69359038), (4, 34679519), (7, 19816868), (14, 9908434), (28, 4954217), (409, 339164), (818, 169582), (1636, 84791), (2863, 48452), (5726, 24226), (11452, 12113)]