218473918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{3547}}^1$

素因数の和:3688

約数の個数: 32

約数和(自身を含む): 371943936

約数和(自身を除く): 153470018

約数列:

[1, 2, 13, 23, 26, 46, 103, 206, 299, 598, 1339, 2369, 2678, 3547, 4738, 7094, 30797, 46111, 61594, 81581, 92222, 163162, 365341, 730682, 1060553, 2121106, 4749433, 8402843, 9498866, 16805686, 109236959, 218473918]

約数ペア:

[(1, 218473918), (2, 109236959), (13, 16805686), (23, 9498866), (26, 8402843), (46, 4749433), (103, 2121106), (206, 1060553), (299, 730682), (598, 365341), (1339, 163162), (2369, 92222), (2678, 81581), (3547, 61594), (4738, 46111), (7094, 30797)]