12966944

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 26875800

約数和(自身を除く): 13908856

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 89, 116, 157, 178, 232, 314, 356, 464, 628, 712, 928, 1256, 1424, 2512, 2581, 2848, 4553, 5024, 5162, 9106, 10324, 13973, 18212, 20648, 27946, 36424, 41296, 55892, 72848, 82592, 111784, 145696, 223568, 405217, 447136, 810434, 1620868, 3241736, 6483472, 12966944]

約数ペア:

[(1, 12966944), (2, 6483472), (4, 3241736), (8, 1620868), (16, 810434), (29, 447136), (32, 405217), (58, 223568), (89, 145696), (116, 111784), (157, 82592), (178, 72848), (232, 55892), (314, 41296), (356, 36424), (464, 27946), (628, 20648), (712, 18212), (928, 13973), (1256, 10324), (1424, 9106), (2512, 5162), (2581, 5024), (2848, 4553)]