287303926994

素因数分解:

$2^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{2221}}^1\times {\mathrm{18973}}^1$

素因数の和:21690

約数の個数: 32

約数和(自身を含む): 493780590336

約数和(自身を除く): 206476663342

約数列:

[1, 2, 7, 14, 487, 974, 2221, 3409, 4442, 6818, 15547, 18973, 31094, 37946, 132811, 265622, 1081627, 2163254, 7571389, 9239851, 15142778, 18479702, 42139033, 64678957, 84278066, 129357914, 294973231, 589946462, 20521709071, 41043418142, 143651963497, 287303926994]

約数ペア:

[(1, 287303926994), (2, 143651963497), (7, 41043418142), (14, 20521709071), (487, 589946462), (974, 294973231), (2221, 129357914), (3409, 84278066), (4442, 64678957), (6818, 42139033), (15547, 18479702), (18973, 15142778), (31094, 9239851), (37946, 7571389), (132811, 2163254), (265622, 1081627)]