138771584

素因数分解:

$2^7\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2539}}^1$

素因数の和:2621

約数の個数: 64

約数和(自身を含む): 321259200

約数和(自身を除く): 182487616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 64, 112, 122, 128, 224, 244, 427, 448, 488, 854, 896, 976, 1708, 1952, 2539, 3416, 3904, 5078, 6832, 7808, 10156, 13664, 17773, 20312, 27328, 35546, 40624, 54656, 71092, 81248, 142184, 154879, 162496, 284368, 309758, 324992, 568736, 619516, 1084153, 1137472, 1239032, 2168306, 2274944, 2478064, 4336612, 4956128, 8673224, 9912256, 17346448, 19824512, 34692896, 69385792, 138771584]

約数ペア:

[(1, 138771584), (2, 69385792), (4, 34692896), (7, 19824512), (8, 17346448), (14, 9912256), (16, 8673224), (28, 4956128), (32, 4336612), (56, 2478064), (61, 2274944), (64, 2168306), (112, 1239032), (122, 1137472), (128, 1084153), (224, 619516), (244, 568736), (427, 324992), (448, 309758), (488, 284368), (854, 162496), (896, 154879), (976, 142184), (1708, 81248), (1952, 71092), (2539, 54656), (3416, 40624), (3904, 35546), (5078, 27328), (6832, 20312), (7808, 17773), (10156, 13664)]