198487996

素因数分解:

$2^2\times 7^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:898

約数の個数: 48

約数和(自身を含む): 405409536

約数和(自身を除く): 206921540

約数列:

[1, 2, 4, 7, 14, 28, 97, 107, 194, 214, 388, 428, 679, 683, 749, 1358, 1366, 1498, 2716, 2732, 2996, 4781, 9562, 10379, 19124, 20758, 41516, 66251, 72653, 73081, 132502, 145306, 146162, 265004, 290612, 292324, 463757, 511567, 927514, 1023134, 1855028, 2046268, 7088857, 14177714, 28355428, 49621999, 99243998, 198487996]

約数ペア:

[(1, 198487996), (2, 99243998), (4, 49621999), (7, 28355428), (14, 14177714), (28, 7088857), (97, 2046268), (107, 1855028), (194, 1023134), (214, 927514), (388, 511567), (428, 463757), (679, 292324), (683, 290612), (749, 265004), (1358, 146162), (1366, 145306), (1498, 132502), (2716, 73081), (2732, 72653), (2996, 66251), (4781, 41516), (9562, 20758), (10379, 19124)]