131451215

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4597}}^1$

素因数の和:4671

約数の個数: 32

約数和(自身を含む): 194219520

約数和(自身を除く): 62768305

約数列:

[1, 5, 7, 19, 35, 43, 95, 133, 215, 301, 665, 817, 1505, 4085, 4597, 5719, 22985, 28595, 32179, 87343, 160895, 197671, 436715, 611401, 988355, 1383697, 3057005, 3755749, 6918485, 18778745, 26290243, 131451215]

約数ペア:

[(1, 131451215), (5, 26290243), (7, 18778745), (19, 6918485), (35, 3755749), (43, 3057005), (95, 1383697), (133, 988355), (215, 611401), (301, 436715), (665, 197671), (817, 160895), (1505, 87343), (4085, 32179), (4597, 28595), (5719, 22985)]