66808721

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 84672000

約数和(自身を除く): 17863279

約数列:

[1, 7, 23, 29, 41, 161, 203, 287, 349, 667, 943, 1189, 2443, 4669, 6601, 8027, 8323, 10121, 14309, 27347, 56189, 70847, 100163, 191429, 232783, 329107, 414961, 1629481, 2303749, 2904727, 9544103, 66808721]

約数ペア:

[(1, 66808721), (7, 9544103), (23, 2904727), (29, 2303749), (41, 1629481), (161, 414961), (203, 329107), (287, 232783), (349, 191429), (667, 100163), (943, 70847), (1189, 56189), (2443, 27347), (4669, 14309), (6601, 10121), (8027, 8323)]