138460972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{43651}}^1$

素因数の和:43729

約数の個数: 24

約数和(自身を含む): 265229552

約数和(自身を除く): 126768580

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 43651, 87302, 174604, 567463, 1134926, 2269852, 2662711, 5325422, 10650844, 34615243, 69230486, 138460972]

約数ペア:

[(1, 138460972), (2, 69230486), (4, 34615243), (13, 10650844), (26, 5325422), (52, 2662711), (61, 2269852), (122, 1134926), (244, 567463), (793, 174604), (1586, 87302), (3172, 43651)]