289672712

素因数分解:

$2^3\times 7^2\times {\mathrm{738961}}^1$

素因数の和:738981

約数の個数: 24

約数和(自身を含む): 631812510

約数和(自身を除く): 342139798

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 738961, 1477922, 2955844, 5172727, 5911688, 10345454, 20690908, 36209089, 41381816, 72418178, 144836356, 289672712]

約数ペア:

[(1, 289672712), (2, 144836356), (4, 72418178), (7, 41381816), (8, 36209089), (14, 20690908), (28, 10345454), (49, 5911688), (56, 5172727), (98, 2955844), (196, 1477922), (392, 738961)]