28006228

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 54331200

約数和(自身を除く): 26324972

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 97, 116, 131, 194, 262, 388, 524, 551, 1102, 1843, 2204, 2489, 2813, 3686, 3799, 4978, 5626, 7372, 7598, 9956, 11252, 12707, 15196, 25414, 50828, 53447, 72181, 106894, 144362, 213788, 241433, 288724, 368503, 482866, 737006, 965732, 1474012, 7001557, 14003114, 28006228]

約数ペア:

[(1, 28006228), (2, 14003114), (4, 7001557), (19, 1474012), (29, 965732), (38, 737006), (58, 482866), (76, 368503), (97, 288724), (116, 241433), (131, 213788), (194, 144362), (262, 106894), (388, 72181), (524, 53447), (551, 50828), (1102, 25414), (1843, 15196), (2204, 12707), (2489, 11252), (2813, 9956), (3686, 7598), (3799, 7372), (4978, 5626)]