260042878

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{26981}}^1$

素因数の和:27123

約数の個数: 16

約数和(自身を含む): 401492160

約数和(自身を除く): 141449282

約数列:

[1, 2, 61, 79, 122, 158, 4819, 9638, 26981, 53962, 1645841, 2131499, 3291682, 4262998, 130021439, 260042878]

約数ペア:

[(1, 260042878), (2, 130021439), (61, 4262998), (79, 3291682), (122, 2131499), (158, 1645841), (4819, 53962), (9638, 26981)]