28047438

素因数分解:

$2^1\times 3^3\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 65387520

約数和(自身を除く): 37340082

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 47, 54, 86, 94, 129, 141, 257, 258, 282, 387, 423, 514, 771, 774, 846, 1161, 1269, 1542, 2021, 2313, 2322, 2538, 4042, 4626, 6063, 6939, 11051, 12079, 12126, 13878, 18189, 22102, 24158, 33153, 36237, 36378, 54567, 66306, 72474, 99459, 108711, 109134, 198918, 217422, 298377, 326133, 519397, 596754, 652266, 1038794, 1558191, 3116382, 4674573, 9349146, 14023719, 28047438]

約数ペア:

[(1, 28047438), (2, 14023719), (3, 9349146), (6, 4674573), (9, 3116382), (18, 1558191), (27, 1038794), (43, 652266), (47, 596754), (54, 519397), (86, 326133), (94, 298377), (129, 217422), (141, 198918), (257, 109134), (258, 108711), (282, 99459), (387, 72474), (423, 66306), (514, 54567), (771, 36378), (774, 36237), (846, 33153), (1161, 24158), (1269, 22102), (1542, 18189), (2021, 13878), (2313, 12126), (2322, 12079), (2538, 11051), (4042, 6939), (4626, 6063)]