1388890664

素因数分解:

$2^3\times 7^1\times {\mathrm{2237}}^1\times {\mathrm{11087}}^1$

素因数の和:13337

約数の個数: 32

約数和(自身を含む): 2977793280

約数和(自身を除く): 1588902616

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2237, 4474, 8948, 11087, 15659, 17896, 22174, 31318, 44348, 62636, 77609, 88696, 125272, 155218, 310436, 620872, 24801619, 49603238, 99206476, 173611333, 198412952, 347222666, 694445332, 1388890664]

約数ペア:

[(1, 1388890664), (2, 694445332), (4, 347222666), (7, 198412952), (8, 173611333), (14, 99206476), (28, 49603238), (56, 24801619), (2237, 620872), (4474, 310436), (8948, 155218), (11087, 125272), (15659, 88696), (17896, 77609), (22174, 62636), (31318, 44348)]