2978638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:348

約数の個数: 32

約数和(自身を含む): 5334336

約数和(自身を除く): 2355698

約数列:

[1, 2, 13, 17, 23, 26, 34, 46, 221, 293, 299, 391, 442, 586, 598, 782, 3809, 4981, 5083, 6739, 7618, 9962, 10166, 13478, 64753, 87607, 114563, 129506, 175214, 229126, 1489319, 2978638]

約数ペア:

[(1, 2978638), (2, 1489319), (13, 229126), (17, 175214), (23, 129506), (26, 114563), (34, 87607), (46, 64753), (221, 13478), (293, 10166), (299, 9962), (391, 7618), (442, 6739), (586, 5083), (598, 4981), (782, 3809)]