1428856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1249}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 3150000

約数和(自身を除く): 1721144

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 1249, 2498, 4996, 9992, 13739, 16237, 27478, 32474, 54956, 64948, 109912, 129896, 178607, 357214, 714428, 1428856]

約数ペア:

[(1, 1428856), (2, 714428), (4, 357214), (8, 178607), (11, 129896), (13, 109912), (22, 64948), (26, 54956), (44, 32474), (52, 27478), (88, 16237), (104, 13739), (143, 9992), (286, 4996), (572, 2498), (1144, 1249)]