781424

素因数分解:

$2^4\times 7^1\times {\mathrm{6977}}^1$

素因数の和:6992

約数の個数: 20

約数和(自身を含む): 1730544

約数和(自身を除く): 949120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 6977, 13954, 27908, 48839, 55816, 97678, 111632, 195356, 390712, 781424]

約数ペア:

[(1, 781424), (2, 390712), (4, 195356), (7, 111632), (8, 97678), (14, 55816), (16, 48839), (28, 27908), (56, 13954), (112, 6977)]