1261546748

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{20177}}^1$

素因数の和:20235

約数の個数: 72

約数和(自身を含む): 2898367920

約数和(自身を除く): 1636821172

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 29, 44, 49, 58, 77, 98, 116, 154, 196, 203, 308, 319, 406, 539, 638, 812, 1078, 1276, 1421, 2156, 2233, 2842, 4466, 5684, 8932, 15631, 20177, 31262, 40354, 62524, 80708, 141239, 221947, 282478, 443894, 564956, 585133, 887788, 988673, 1170266, 1553629, 1977346, 2340532, 3107258, 3954692, 4095931, 6214516, 6436463, 8191862, 10875403, 12872926, 16383724, 21750806, 25745852, 28671517, 43501612, 45055241, 57343034, 90110482, 114686068, 180220964, 315386687, 630773374, 1261546748]

約数ペア:

[(1, 1261546748), (2, 630773374), (4, 315386687), (7, 180220964), (11, 114686068), (14, 90110482), (22, 57343034), (28, 45055241), (29, 43501612), (44, 28671517), (49, 25745852), (58, 21750806), (77, 16383724), (98, 12872926), (116, 10875403), (154, 8191862), (196, 6436463), (203, 6214516), (308, 4095931), (319, 3954692), (406, 3107258), (539, 2340532), (638, 1977346), (812, 1553629), (1078, 1170266), (1276, 988673), (1421, 887788), (2156, 585133), (2233, 564956), (2842, 443894), (4466, 282478), (5684, 221947), (8932, 141239), (15631, 80708), (20177, 62524), (31262, 40354)]