217464182

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{19867}}^1$

素因数の和:20303

約数の個数: 16

約数和(自身を含む): 352140432

約数和(自身を除く): 134676250

約数列:

[1, 2, 13, 26, 421, 842, 5473, 10946, 19867, 39734, 258271, 516542, 8364007, 16728014, 108732091, 217464182]

約数ペア:

[(1, 217464182), (2, 108732091), (13, 16728014), (26, 8364007), (421, 516542), (842, 258271), (5473, 39734), (10946, 19867)]