978519890

素因数分解:

$2^1\times 5^1\times {\mathrm{25609}}^1\times {\mathrm{3821}}^1$

素因数の和:29437

約数の個数: 16

約数和(自身を含む): 1761865560

約数和(自身を除く): 783345670

約数列:

[1, 2, 5, 10, 3821, 7642, 19105, 25609, 38210, 51218, 128045, 256090, 97851989, 195703978, 489259945, 978519890]

約数ペア:

[(1, 978519890), (2, 489259945), (5, 195703978), (10, 97851989), (3821, 256090), (7642, 128045), (19105, 51218), (25609, 38210)]