247647535

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 314316288

約数和(自身を除く): 66668753

約数列:

[1, 5, 43, 53, 103, 211, 215, 265, 515, 1055, 2279, 4429, 5459, 9073, 11183, 11395, 21733, 22145, 27295, 45365, 55915, 108665, 234737, 480869, 934519, 1151849, 1173685, 2404345, 4672595, 5759245, 49529507, 247647535]

約数ペア:

[(1, 247647535), (5, 49529507), (43, 5759245), (53, 4672595), (103, 2404345), (211, 1173685), (215, 1151849), (265, 934519), (515, 480869), (1055, 234737), (2279, 108665), (4429, 55915), (5459, 45365), (9073, 27295), (11183, 22145), (11395, 21733)]