278741124

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1487}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 727953408

約数和(自身を除く): 449212284

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 127, 164, 246, 254, 369, 381, 492, 508, 738, 762, 1143, 1476, 1487, 1524, 2286, 2974, 4461, 4572, 5207, 5948, 8922, 10414, 13383, 15621, 17844, 20828, 26766, 31242, 46863, 53532, 60967, 62484, 93726, 121934, 182901, 187452, 188849, 243868, 365802, 377698, 548703, 566547, 731604, 755396, 1097406, 1133094, 1699641, 2194812, 2266188, 3399282, 6798564, 7742809, 15485618, 23228427, 30971236, 46456854, 69685281, 92913708, 139370562, 278741124]

約数ペア:

[(1, 278741124), (2, 139370562), (3, 92913708), (4, 69685281), (6, 46456854), (9, 30971236), (12, 23228427), (18, 15485618), (36, 7742809), (41, 6798564), (82, 3399282), (123, 2266188), (127, 2194812), (164, 1699641), (246, 1133094), (254, 1097406), (369, 755396), (381, 731604), (492, 566547), (508, 548703), (738, 377698), (762, 365802), (1143, 243868), (1476, 188849), (1487, 187452), (1524, 182901), (2286, 121934), (2974, 93726), (4461, 62484), (4572, 60967), (5207, 53532), (5948, 46863), (8922, 31242), (10414, 26766), (13383, 20828), (15621, 17844)]