211728496

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{19489}}^1$

素因数の和:19601

約数の個数: 40

約数和(自身を含む): 473684960

約数和(自身を除く): 261956464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 19489, 38978, 77956, 136423, 155912, 272846, 311824, 545692, 1091384, 1890433, 2182768, 3780866, 7561732, 13233031, 15123464, 26466062, 30246928, 52932124, 105864248, 211728496]

約数ペア:

[(1, 211728496), (2, 105864248), (4, 52932124), (7, 30246928), (8, 26466062), (14, 15123464), (16, 13233031), (28, 7561732), (56, 3780866), (97, 2182768), (112, 1890433), (194, 1091384), (388, 545692), (679, 311824), (776, 272846), (1358, 155912), (1552, 136423), (2716, 77956), (5432, 38978), (10864, 19489)]