257340328

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{124199}}^1$

素因数の和:124249

約数の個数: 32

約数和(自身を含む): 566352000

約数和(自身を除く): 309011672

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 124199, 248398, 496796, 869393, 993592, 1738786, 3477572, 4595363, 6955144, 9190726, 18381452, 32167541, 36762904, 64335082, 128670164, 257340328]

約数ペア:

[(1, 257340328), (2, 128670164), (4, 64335082), (7, 36762904), (8, 32167541), (14, 18381452), (28, 9190726), (37, 6955144), (56, 4595363), (74, 3477572), (148, 1738786), (259, 993592), (296, 869393), (518, 496796), (1036, 248398), (2072, 124199)]