668818087

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{313}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 813486080

約数和(自身を除く): 144667993

約数列:

[1, 7, 31, 43, 217, 229, 301, 313, 1333, 1603, 2191, 7099, 9331, 9703, 9847, 13459, 49693, 67921, 68929, 71677, 94213, 305257, 417229, 501739, 2136799, 2221987, 2920603, 3082111, 15553909, 21574777, 95545441, 668818087]

約数ペア:

[(1, 668818087), (7, 95545441), (31, 21574777), (43, 15553909), (217, 3082111), (229, 2920603), (301, 2221987), (313, 2136799), (1333, 501739), (1603, 417229), (2191, 305257), (7099, 94213), (9331, 71677), (9703, 68929), (9847, 67921), (13459, 49693)]