1242542

素因数分解:

$2^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:456

約数の個数: 24

約数和(自身を含む): 2243520

約数和(自身を除く): 1000978

約数列:

[1, 2, 7, 14, 31, 49, 62, 98, 217, 409, 434, 818, 1519, 2863, 3038, 5726, 12679, 20041, 25358, 40082, 88753, 177506, 621271, 1242542]

約数ペア:

[(1, 1242542), (2, 621271), (7, 177506), (14, 88753), (31, 40082), (49, 25358), (62, 20041), (98, 12679), (217, 5726), (409, 3038), (434, 2863), (818, 1519)]