8851570

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 20030976

約数和(自身を除く): 11179406

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 71, 91, 130, 137, 142, 182, 274, 355, 455, 497, 685, 710, 910, 923, 959, 994, 1370, 1781, 1846, 1918, 2485, 3562, 4615, 4795, 4970, 6461, 8905, 9230, 9590, 9727, 12467, 12922, 17810, 19454, 24934, 32305, 48635, 62335, 64610, 68089, 97270, 124670, 126451, 136178, 252902, 340445, 632255, 680890, 885157, 1264510, 1770314, 4425785, 8851570]

約数ペア:

[(1, 8851570), (2, 4425785), (5, 1770314), (7, 1264510), (10, 885157), (13, 680890), (14, 632255), (26, 340445), (35, 252902), (65, 136178), (70, 126451), (71, 124670), (91, 97270), (130, 68089), (137, 64610), (142, 62335), (182, 48635), (274, 32305), (355, 24934), (455, 19454), (497, 17810), (685, 12922), (710, 12467), (910, 9727), (923, 9590), (959, 9230), (994, 8905), (1370, 6461), (1781, 4970), (1846, 4795), (1918, 4615), (2485, 3562)]