261527618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:363

約数の個数: 64

約数和(自身を含む): 468184320

約数和(自身を除く): 206656702

約数列:

[1, 2, 11, 22, 23, 37, 46, 61, 74, 122, 229, 253, 407, 458, 506, 671, 814, 851, 1342, 1403, 1702, 2257, 2519, 2806, 4514, 5038, 5267, 8473, 9361, 10534, 13969, 15433, 16946, 18722, 24827, 27938, 30866, 49654, 51911, 57937, 93203, 103822, 115874, 153659, 186406, 194879, 307318, 321287, 389758, 516853, 571021, 642574, 1033706, 1142042, 2143669, 3534157, 4287338, 5685383, 7068314, 11370766, 11887619, 23775238, 130763809, 261527618]

約数ペア:

[(1, 261527618), (2, 130763809), (11, 23775238), (22, 11887619), (23, 11370766), (37, 7068314), (46, 5685383), (61, 4287338), (74, 3534157), (122, 2143669), (229, 1142042), (253, 1033706), (407, 642574), (458, 571021), (506, 516853), (671, 389758), (814, 321287), (851, 307318), (1342, 194879), (1403, 186406), (1702, 153659), (2257, 115874), (2519, 103822), (2806, 93203), (4514, 57937), (5038, 51911), (5267, 49654), (8473, 30866), (9361, 27938), (10534, 24827), (13969, 18722), (15433, 16946)]