15897986

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 26671680

約数和(自身を除く): 10773694

約数列:

[1, 2, 13, 26, 53, 83, 106, 139, 166, 278, 689, 1079, 1378, 1807, 2158, 3614, 4399, 7367, 8798, 11537, 14734, 23074, 57187, 95771, 114374, 149981, 191542, 299962, 611461, 1222922, 7948993, 15897986]

約数ペア:

[(1, 15897986), (2, 7948993), (13, 1222922), (26, 611461), (53, 299962), (83, 191542), (106, 149981), (139, 114374), (166, 95771), (278, 57187), (689, 23074), (1079, 14734), (1378, 11537), (1807, 8798), (2158, 7367), (3614, 4399)]