168372305

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 218972160

約数和(自身を除く): 50599855

約数列:

[1, 5, 23, 43, 79, 115, 215, 395, 431, 989, 1817, 2155, 3397, 4945, 9085, 9913, 16985, 18533, 34049, 49565, 78131, 92665, 170245, 390655, 426259, 783127, 1464107, 2131295, 3915635, 7320535, 33674461, 168372305]

約数ペア:

[(1, 168372305), (5, 33674461), (23, 7320535), (43, 3915635), (79, 2131295), (115, 1464107), (215, 783127), (395, 426259), (431, 390655), (989, 170245), (1817, 92665), (2155, 78131), (3397, 49565), (4945, 34049), (9085, 18533), (9913, 16985)]