8821278

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 20908800

約数和(自身を除く): 12087522

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 43, 54, 58, 86, 87, 129, 131, 174, 258, 261, 262, 387, 393, 522, 774, 783, 786, 1161, 1179, 1247, 1566, 2322, 2358, 2494, 3537, 3741, 3799, 5633, 7074, 7482, 7598, 11223, 11266, 11397, 16899, 22446, 22794, 33669, 33798, 34191, 50697, 67338, 68382, 101394, 102573, 152091, 163357, 205146, 304182, 326714, 490071, 980142, 1470213, 2940426, 4410639, 8821278]

約数ペア:

[(1, 8821278), (2, 4410639), (3, 2940426), (6, 1470213), (9, 980142), (18, 490071), (27, 326714), (29, 304182), (43, 205146), (54, 163357), (58, 152091), (86, 102573), (87, 101394), (129, 68382), (131, 67338), (174, 50697), (258, 34191), (261, 33798), (262, 33669), (387, 22794), (393, 22446), (522, 16899), (774, 11397), (783, 11266), (786, 11223), (1161, 7598), (1179, 7482), (1247, 7074), (1566, 5633), (2322, 3799), (2358, 3741), (2494, 3537)]