128215766

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1\times {\mathrm{571}}^1$

素因数の和:996

約数の個数: 32

約数和(自身を含む): 225907968

約数和(自身を除く): 97692202

約数列:

[1, 2, 7, 14, 43, 86, 301, 373, 571, 602, 746, 1142, 2611, 3997, 5222, 7994, 16039, 24553, 32078, 49106, 112273, 171871, 212983, 224546, 343742, 425966, 1490881, 2981762, 9158269, 18316538, 64107883, 128215766]

約数ペア:

[(1, 128215766), (2, 64107883), (7, 18316538), (14, 9158269), (43, 2981762), (86, 1490881), (301, 425966), (373, 343742), (571, 224546), (602, 212983), (746, 171871), (1142, 112273), (2611, 49106), (3997, 32078), (5222, 24553), (7994, 16039)]