216979438

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{191}}^1\times {\mathrm{3361}}^1$

素因数の和:3580

約数の個数: 24

約数和(自身を含む): 354381696

約数和(自身を除く): 137402258

約数列:

[1, 2, 13, 26, 169, 191, 338, 382, 2483, 3361, 4966, 6722, 32279, 43693, 64558, 87386, 568009, 641951, 1136018, 1283902, 8345363, 16690726, 108489719, 216979438]

約数ペア:

[(1, 216979438), (2, 108489719), (13, 16690726), (26, 8345363), (169, 1283902), (191, 1136018), (338, 641951), (382, 568009), (2483, 87386), (3361, 64558), (4966, 43693), (6722, 32279)]