39881966

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{491}}^1\times {\mathrm{2389}}^1$

素因数の和:2899

約数の個数: 16

約数和(自身を含む): 63497520

約数和(自身を除く): 23615554

約数列:

[1, 2, 17, 34, 491, 982, 2389, 4778, 8347, 16694, 40613, 81226, 1172999, 2345998, 19940983, 39881966]

約数ペア:

[(1, 39881966), (2, 19940983), (17, 2345998), (34, 1172999), (491, 81226), (982, 40613), (2389, 16694), (4778, 8347)]