64201790

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{49009}}^1$

素因数の和:49147

約数の個数: 16

約数和(自身を含む): 116447760

約数和(自身を除く): 52245970

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 49009, 98018, 245045, 490090, 6420179, 12840358, 32100895, 64201790]

約数ペア:

[(1, 64201790), (2, 32100895), (5, 12840358), (10, 6420179), (131, 490090), (262, 245045), (655, 98018), (1310, 49009)]