78814970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{8539}}^1$

素因数の和:8630

約数の個数: 32

約数和(自身を含む): 154949760

約数和(自身を除く): 76134790

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 8539, 9230, 17078, 42695, 85390, 111007, 222014, 555035, 606269, 1110070, 1212538, 3031345, 6062690, 7881497, 15762994, 39407485, 78814970]

約数ペア:

[(1, 78814970), (2, 39407485), (5, 15762994), (10, 7881497), (13, 6062690), (26, 3031345), (65, 1212538), (71, 1110070), (130, 606269), (142, 555035), (355, 222014), (710, 111007), (923, 85390), (1846, 42695), (4615, 17078), (8539, 9230)]