291220424

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{76961}}^1$

素因数の和:77021

約数の個数: 32

約数和(自身を含む): 609539040

約数和(自身を除く): 318318616

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 76961, 153922, 307844, 615688, 846571, 1693142, 3309323, 3386284, 6618646, 6772568, 13237292, 26474584, 36402553, 72805106, 145610212, 291220424]

約数ペア:

[(1, 291220424), (2, 145610212), (4, 72805106), (8, 36402553), (11, 26474584), (22, 13237292), (43, 6772568), (44, 6618646), (86, 3386284), (88, 3309323), (172, 1693142), (344, 846571), (473, 615688), (946, 307844), (1892, 153922), (3784, 76961)]