638695344

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1900879}}^1$

素因数の和:1900897

約数の個数: 40

約数和(自身を含む): 1885672960

約数和(自身を除く): 1246977616

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1900879, 3801758, 5702637, 7603516, 11405274, 13306153, 15207032, 22810548, 26612306, 30414064, 39918459, 45621096, 53224612, 79836918, 91242192, 106449224, 159673836, 212898448, 319347672, 638695344]

約数ペア:

[(1, 638695344), (2, 319347672), (3, 212898448), (4, 159673836), (6, 106449224), (7, 91242192), (8, 79836918), (12, 53224612), (14, 45621096), (16, 39918459), (21, 30414064), (24, 26612306), (28, 22810548), (42, 15207032), (48, 13306153), (56, 11405274), (84, 7603516), (112, 5702637), (168, 3801758), (336, 1900879)]