31387433

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 42024960

約数和(自身を除く): 10637527

約数列:

[1, 7, 11, 23, 37, 77, 161, 253, 259, 407, 479, 851, 1771, 2849, 3353, 5269, 5957, 9361, 11017, 17723, 36883, 65527, 77119, 121187, 124061, 194953, 407629, 848309, 1364671, 2853403, 4483919, 31387433]

約数ペア:

[(1, 31387433), (7, 4483919), (11, 2853403), (23, 1364671), (37, 848309), (77, 407629), (161, 194953), (253, 124061), (259, 121187), (407, 77119), (479, 65527), (851, 36883), (1771, 17723), (2849, 11017), (3353, 9361), (5269, 5957)]