128663896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{14347}}^1$

素因数の和:14431

約数の個数: 32

約数和(自身を含む): 258264000

約数和(自身を除く): 129600104

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 4484, 8968, 14347, 28694, 57388, 114776, 272593, 545186, 846473, 1090372, 1692946, 2180744, 3385892, 6771784, 16082987, 32165974, 64331948, 128663896]

約数ペア:

[(1, 128663896), (2, 64331948), (4, 32165974), (8, 16082987), (19, 6771784), (38, 3385892), (59, 2180744), (76, 1692946), (118, 1090372), (152, 846473), (236, 545186), (472, 272593), (1121, 114776), (2242, 57388), (4484, 28694), (8968, 14347)]