278329914

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{157}}^1\times {\mathrm{661}}^1$

素因数の和:975

約数の個数: 48

約数和(自身を含む): 611886600

約数和(自身を除く): 333556686

約数列:

[1, 2, 3, 6, 9, 18, 149, 157, 298, 314, 447, 471, 661, 894, 942, 1322, 1341, 1413, 1983, 2682, 2826, 3966, 5949, 11898, 23393, 46786, 70179, 98489, 103777, 140358, 196978, 207554, 210537, 295467, 311331, 421074, 590934, 622662, 886401, 933993, 1772802, 1867986, 15462773, 30925546, 46388319, 92776638, 139164957, 278329914]

約数ペア:

[(1, 278329914), (2, 139164957), (3, 92776638), (6, 46388319), (9, 30925546), (18, 15462773), (149, 1867986), (157, 1772802), (298, 933993), (314, 886401), (447, 622662), (471, 590934), (661, 421074), (894, 311331), (942, 295467), (1322, 210537), (1341, 207554), (1413, 196978), (1983, 140358), (2682, 103777), (2826, 98489), (3966, 70179), (5949, 46786), (11898, 23393)]