42438938

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7691}}^1$

素因数の和:7813

約数の個数: 16

約数和(自身を含む): 66458880

約数和(自身を除く): 24019942

約数列:

[1, 2, 31, 62, 89, 178, 2759, 5518, 7691, 15382, 238421, 476842, 684499, 1368998, 21219469, 42438938]

約数ペア:

[(1, 42438938), (2, 21219469), (31, 1368998), (62, 684499), (89, 476842), (178, 238421), (2759, 15382), (5518, 7691)]