199959632

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1131

約数の個数: 40

約数和(自身を含む): 397906080

約数和(自身を除く): 197946448

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 509, 571, 688, 1018, 1142, 2036, 2284, 4072, 4568, 8144, 9136, 21887, 24553, 43774, 49106, 87548, 98212, 175096, 196424, 290639, 350192, 392848, 581278, 1162556, 2325112, 4650224, 12497477, 24994954, 49989908, 99979816, 199959632]

約数ペア:

[(1, 199959632), (2, 99979816), (4, 49989908), (8, 24994954), (16, 12497477), (43, 4650224), (86, 2325112), (172, 1162556), (344, 581278), (509, 392848), (571, 350192), (688, 290639), (1018, 196424), (1142, 175096), (2036, 98212), (2284, 87548), (4072, 49106), (4568, 43774), (8144, 24553), (9136, 21887)]