888968990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{13759}}^1$

素因数の和:13857

約数の個数: 64

約数和(自身を含む): 1997291520

約数和(自身を除く): 1108322530

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 142, 182, 355, 455, 497, 710, 910, 923, 994, 1846, 2485, 4615, 4970, 6461, 9230, 12922, 13759, 27518, 32305, 64610, 68795, 96313, 137590, 178867, 192626, 357734, 481565, 894335, 963130, 976889, 1252069, 1788670, 1953778, 2504138, 4884445, 6260345, 6838223, 9768890, 12520690, 12699557, 13676446, 25399114, 34191115, 63497785, 68382230, 88896899, 126995570, 177793798, 444484495, 888968990]

約数ペア:

[(1, 888968990), (2, 444484495), (5, 177793798), (7, 126995570), (10, 88896899), (13, 68382230), (14, 63497785), (26, 34191115), (35, 25399114), (65, 13676446), (70, 12699557), (71, 12520690), (91, 9768890), (130, 6838223), (142, 6260345), (182, 4884445), (355, 2504138), (455, 1953778), (497, 1788670), (710, 1252069), (910, 976889), (923, 963130), (994, 894335), (1846, 481565), (2485, 357734), (4615, 192626), (4970, 178867), (6461, 137590), (9230, 96313), (12922, 68795), (13759, 64610), (27518, 32305)]