131321346

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{6551}}^1$

素因数の和:6826

約数の個数: 32

約数和(自身を含む): 283989888

約数和(自身を除く): 152668542

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 257, 514, 771, 1542, 3341, 6551, 6682, 10023, 13102, 19653, 20046, 39306, 85163, 170326, 255489, 510978, 1683607, 3367214, 5050821, 10101642, 21886891, 43773782, 65660673, 131321346]

約数ペア:

[(1, 131321346), (2, 65660673), (3, 43773782), (6, 21886891), (13, 10101642), (26, 5050821), (39, 3367214), (78, 1683607), (257, 510978), (514, 255489), (771, 170326), (1542, 85163), (3341, 39306), (6551, 20046), (6682, 19653), (10023, 13102)]