12724775

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 19641600

約数和(自身を除く): 6916825

約数列:

[1, 5, 7, 19, 25, 35, 43, 89, 95, 133, 175, 215, 301, 445, 475, 623, 665, 817, 1075, 1505, 1691, 2225, 3115, 3325, 3827, 4085, 5719, 7525, 8455, 11837, 15575, 19135, 20425, 26789, 28595, 42275, 59185, 72713, 95675, 133945, 142975, 295925, 363565, 508991, 669725, 1817825, 2544955, 12724775]

約数ペア:

[(1, 12724775), (5, 2544955), (7, 1817825), (19, 669725), (25, 508991), (35, 363565), (43, 295925), (89, 142975), (95, 133945), (133, 95675), (175, 72713), (215, 59185), (301, 42275), (445, 28595), (475, 26789), (623, 20425), (665, 19135), (817, 15575), (1075, 11837), (1505, 8455), (1691, 7525), (2225, 5719), (3115, 4085), (3325, 3827)]