64909190

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{49549}}^1$

素因数の和:49687

約数の個数: 16

約数和(自身を含む): 117730800

約数和(自身を除く): 52821610

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 49549, 99098, 247745, 495490, 6490919, 12981838, 32454595, 64909190]

約数ペア:

[(1, 64909190), (2, 32454595), (5, 12981838), (10, 6490919), (131, 495490), (262, 247745), (655, 99098), (1310, 49549)]