2783648728

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1\times {\mathrm{2647}}^1$

素因数の和:2960

約数の個数: 64

約数和(自身を含む): 6062860800

約数和(自身を除く): 3279212072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 211, 356, 422, 623, 712, 844, 1246, 1477, 1688, 2492, 2647, 2954, 4984, 5294, 5908, 10588, 11816, 18529, 18779, 21176, 37058, 37558, 74116, 75116, 131453, 148232, 150232, 235583, 262906, 471166, 525812, 558517, 942332, 1051624, 1117034, 1649081, 1884664, 2234068, 3298162, 3909619, 4468136, 6596324, 7819238, 13192648, 15638476, 31276952, 49708013, 99416026, 198832052, 347956091, 397664104, 695912182, 1391824364, 2783648728]

約数ペア:

[(1, 2783648728), (2, 1391824364), (4, 695912182), (7, 397664104), (8, 347956091), (14, 198832052), (28, 99416026), (56, 49708013), (89, 31276952), (178, 15638476), (211, 13192648), (356, 7819238), (422, 6596324), (623, 4468136), (712, 3909619), (844, 3298162), (1246, 2234068), (1477, 1884664), (1688, 1649081), (2492, 1117034), (2647, 1051624), (2954, 942332), (4984, 558517), (5294, 525812), (5908, 471166), (10588, 262906), (11816, 235583), (18529, 150232), (18779, 148232), (21176, 131453), (37058, 75116), (37558, 74116)]