208311912

素因数分解:

$2^3\times 3^4\times {\mathrm{321469}}^1$

素因数の和:321487

約数の個数: 40

約数和(自身を含む): 583468050

約数和(自身を除く): 375156138

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 321469, 642938, 964407, 1285876, 1928814, 2571752, 2893221, 3857628, 5786442, 7715256, 8679663, 11572884, 17359326, 23145768, 26038989, 34718652, 52077978, 69437304, 104155956, 208311912]

約数ペア:

[(1, 208311912), (2, 104155956), (3, 69437304), (4, 52077978), (6, 34718652), (8, 26038989), (9, 23145768), (12, 17359326), (18, 11572884), (24, 8679663), (27, 7715256), (36, 5786442), (54, 3857628), (72, 2893221), (81, 2571752), (108, 1928814), (162, 1285876), (216, 964407), (324, 642938), (648, 321469)]