28251019782

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{22441}}^1$

素因数の和:22883

約数の個数: 80

約数和(自身を含む): 66800857200

約数和(自身を除く): 38549837418

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 409, 513, 818, 1026, 1227, 1539, 2454, 3078, 3681, 7362, 7771, 11043, 15542, 22086, 22441, 23313, 33129, 44882, 46626, 66258, 67323, 69939, 134646, 139878, 201969, 209817, 403938, 419634, 426379, 605907, 629451, 852758, 1211814, 1258902, 1279137, 1817721, 2558274, 3635442, 3837411, 7674822, 9178369, 11512233, 18356738, 23024466, 27535107, 34536699, 55070214, 69073398, 82605321, 165210642, 174389011, 247815963, 348778022, 495631926, 523167033, 743447889, 1046334066, 1486895778, 1569501099, 3139002198, 4708503297, 9417006594, 14125509891, 28251019782]

約数ペア:

[(1, 28251019782), (2, 14125509891), (3, 9417006594), (6, 4708503297), (9, 3139002198), (18, 1569501099), (19, 1486895778), (27, 1046334066), (38, 743447889), (54, 523167033), (57, 495631926), (81, 348778022), (114, 247815963), (162, 174389011), (171, 165210642), (342, 82605321), (409, 69073398), (513, 55070214), (818, 34536699), (1026, 27535107), (1227, 23024466), (1539, 18356738), (2454, 11512233), (3078, 9178369), (3681, 7674822), (7362, 3837411), (7771, 3635442), (11043, 2558274), (15542, 1817721), (22086, 1279137), (22441, 1258902), (23313, 1211814), (33129, 852758), (44882, 629451), (46626, 605907), (66258, 426379), (67323, 419634), (69939, 403938), (134646, 209817), (139878, 201969)]