31380388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{9007}}^1$

素因数の和:9091

約数の個数: 24

約数和(自身を含む): 60029312

約数和(自身を除く): 28648924

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 9007, 18014, 36028, 117091, 234182, 468364, 603469, 1206938, 2413876, 7845097, 15690194, 31380388]

約数ペア:

[(1, 31380388), (2, 15690194), (4, 7845097), (13, 2413876), (26, 1206938), (52, 603469), (67, 468364), (134, 234182), (268, 117091), (871, 36028), (1742, 18014), (3484, 9007)]