31990328

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{3313}}^1$

素因数の和:3407

約数の個数: 32

約数和(自身を含む): 64424160

約数和(自身を除く): 32433832

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 136, 142, 284, 568, 1207, 2414, 3313, 4828, 6626, 9656, 13252, 26504, 56321, 112642, 225284, 235223, 450568, 470446, 940892, 1881784, 3998791, 7997582, 15995164, 31990328]

約数ペア:

[(1, 31990328), (2, 15995164), (4, 7997582), (8, 3998791), (17, 1881784), (34, 940892), (68, 470446), (71, 450568), (136, 235223), (142, 225284), (284, 112642), (568, 56321), (1207, 26504), (2414, 13252), (3313, 9656), (4828, 6626)]