1780451764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{54959}}^1$

素因数の和:55072

約数の個数: 48

約数和(自身を含む): 3877977600

約数和(自身を除く): 2097525836

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 89, 91, 178, 182, 356, 364, 623, 1157, 1246, 2314, 2492, 4628, 8099, 16198, 32396, 54959, 109918, 219836, 384713, 714467, 769426, 1428934, 1538852, 2857868, 4891351, 5001269, 9782702, 10002538, 19565404, 20005076, 34239457, 63587563, 68478914, 127175126, 136957828, 254350252, 445112941, 890225882, 1780451764]

約数ペア:

[(1, 1780451764), (2, 890225882), (4, 445112941), (7, 254350252), (13, 136957828), (14, 127175126), (26, 68478914), (28, 63587563), (52, 34239457), (89, 20005076), (91, 19565404), (178, 10002538), (182, 9782702), (356, 5001269), (364, 4891351), (623, 2857868), (1157, 1538852), (1246, 1428934), (2314, 769426), (2492, 714467), (4628, 384713), (8099, 219836), (16198, 109918), (32396, 54959)]