247926910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{321983}}^1$

素因数の和:322008

約数の個数: 32

約数和(自身を含む): 556388352

約数和(自身を除く): 308461442

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 321983, 643966, 1609915, 2253881, 3219830, 3541813, 4507762, 7083626, 11269405, 17709065, 22538810, 24792691, 35418130, 49585382, 123963455, 247926910]

約数ペア:

[(1, 247926910), (2, 123963455), (5, 49585382), (7, 35418130), (10, 24792691), (11, 22538810), (14, 17709065), (22, 11269405), (35, 7083626), (55, 4507762), (70, 3541813), (77, 3219830), (110, 2253881), (154, 1609915), (385, 643966), (770, 321983)]