128895032

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{20369}}^1$

素因数の和:20495

約数の個数: 32

約数和(自身を含む): 278661600

約数和(自身を除く): 149766568

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 20369, 40738, 81476, 142583, 162952, 285166, 570332, 1140664, 2301697, 4603394, 9206788, 16111879, 18413576, 32223758, 64447516, 128895032]

約数ペア:

[(1, 128895032), (2, 64447516), (4, 32223758), (7, 18413576), (8, 16111879), (14, 9206788), (28, 4603394), (56, 2301697), (113, 1140664), (226, 570332), (452, 285166), (791, 162952), (904, 142583), (1582, 81476), (3164, 40738), (6328, 20369)]