256189648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2804

約数の個数: 80

約数和(自身を含む): 597586752

約数和(自身を除く): 341397104

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 41, 44, 52, 82, 88, 104, 143, 164, 176, 208, 286, 328, 451, 533, 572, 656, 902, 1066, 1144, 1804, 2132, 2288, 2731, 3608, 4264, 5462, 5863, 7216, 8528, 10924, 11726, 21848, 23452, 30041, 35503, 43696, 46904, 60082, 71006, 93808, 111971, 120164, 142012, 223942, 240328, 284024, 390533, 447884, 480656, 568048, 781066, 895768, 1231681, 1455623, 1562132, 1791536, 2463362, 2911246, 3124264, 4926724, 5822492, 6248528, 9853448, 11644984, 16011853, 19706896, 23289968, 32023706, 64047412, 128094824, 256189648]

約数ペア:

[(1, 256189648), (2, 128094824), (4, 64047412), (8, 32023706), (11, 23289968), (13, 19706896), (16, 16011853), (22, 11644984), (26, 9853448), (41, 6248528), (44, 5822492), (52, 4926724), (82, 3124264), (88, 2911246), (104, 2463362), (143, 1791536), (164, 1562132), (176, 1455623), (208, 1231681), (286, 895768), (328, 781066), (451, 568048), (533, 480656), (572, 447884), (656, 390533), (902, 284024), (1066, 240328), (1144, 223942), (1804, 142012), (2132, 120164), (2288, 111971), (2731, 93808), (3608, 71006), (4264, 60082), (5462, 46904), (5863, 43696), (7216, 35503), (8528, 30041), (10924, 23452), (11726, 21848)]