15641990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17189}}^1$

素因数の和:17216

約数の個数: 32

約数和(自身を含む): 34655040

約数和(自身を除く): 19013050

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 17189, 34378, 85945, 120323, 171890, 223457, 240646, 446914, 601615, 1117285, 1203230, 1564199, 2234570, 3128398, 7820995, 15641990]

約数ペア:

[(1, 15641990), (2, 7820995), (5, 3128398), (7, 2234570), (10, 1564199), (13, 1203230), (14, 1117285), (26, 601615), (35, 446914), (65, 240646), (70, 223457), (91, 171890), (130, 120323), (182, 85945), (455, 34378), (910, 17189)]