389920235

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{19081}}^1$

素因数の和:19214

約数の個数: 16

約数和(自身を含む): 482698272

約数和(自身を除く): 92778037

約数列:

[1, 5, 61, 67, 305, 335, 4087, 19081, 20435, 95405, 1163941, 1278427, 5819705, 6392135, 77984047, 389920235]

約数ペア:

[(1, 389920235), (5, 77984047), (61, 6392135), (67, 5819705), (305, 1278427), (335, 1163941), (4087, 95405), (19081, 20435)]