31781446

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 52005888

約数和(自身を除く): 20224442

約数列:

[1, 2, 23, 37, 46, 71, 74, 142, 263, 526, 851, 1633, 1702, 2627, 3266, 5254, 6049, 9731, 12098, 18673, 19462, 37346, 60421, 120842, 223813, 429479, 447626, 690901, 858958, 1381802, 15890723, 31781446]

約数ペア:

[(1, 31781446), (2, 15890723), (23, 1381802), (37, 858958), (46, 690901), (71, 447626), (74, 429479), (142, 223813), (263, 120842), (526, 60421), (851, 37346), (1633, 19462), (1702, 18673), (2627, 12098), (3266, 9731), (5254, 6049)]