26986988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{31091}}^1$

素因数の和:31133

約数の個数: 24

約数和(自身を含む): 55716864

約数和(自身を除く): 28729876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 31091, 62182, 124364, 217637, 435274, 870548, 963821, 1927642, 3855284, 6746747, 13493494, 26986988]

約数ペア:

[(1, 26986988), (2, 13493494), (4, 6746747), (7, 3855284), (14, 1927642), (28, 963821), (31, 870548), (62, 435274), (124, 217637), (217, 124364), (434, 62182), (868, 31091)]