290244646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1228

約数の個数: 32

約数和(自身を含む): 471375360

約数和(自身を除く): 181130714

約数列:

[1, 2, 19, 38, 47, 94, 163, 326, 893, 997, 1786, 1994, 3097, 6194, 7661, 15322, 18943, 37886, 46859, 93718, 145559, 162511, 291118, 325022, 890321, 1780642, 3087709, 6175418, 7638017, 15276034, 145122323, 290244646]

約数ペア:

[(1, 290244646), (2, 145122323), (19, 15276034), (38, 7638017), (47, 6175418), (94, 3087709), (163, 1780642), (326, 890321), (893, 325022), (997, 291118), (1786, 162511), (1994, 145559), (3097, 93718), (6194, 46859), (7661, 37886), (15322, 18943)]