201556290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{516811}}^1$

素因数の和:516834

約数の個数: 32

約数和(自身を含む): 520946496

約数和(自身を除く): 319390206

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 516811, 1033622, 1550433, 2584055, 3100866, 5168110, 6718543, 7752165, 13437086, 15504330, 20155629, 33592715, 40311258, 67185430, 100778145, 201556290]

約数ペア:

[(1, 201556290), (2, 100778145), (3, 67185430), (5, 40311258), (6, 33592715), (10, 20155629), (13, 15504330), (15, 13437086), (26, 7752165), (30, 6718543), (39, 5168110), (65, 3100866), (78, 2584055), (130, 1550433), (195, 1033622), (390, 516811)]