15965690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 15193606

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 191, 382, 643, 955, 1286, 1910, 2483, 3215, 4966, 6430, 8359, 12415, 16718, 24830, 41795, 83590, 122813, 245626, 614065, 1228130, 1596569, 3193138, 7982845, 15965690]

約数ペア:

[(1, 15965690), (2, 7982845), (5, 3193138), (10, 1596569), (13, 1228130), (26, 614065), (65, 245626), (130, 122813), (191, 83590), (382, 41795), (643, 24830), (955, 16718), (1286, 12415), (1910, 8359), (2483, 6430), (3215, 4966)]