138928552

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{8081}}^1$

素因数の和:8401

約数の個数: 32

約数和(自身を含む): 298710720

約数和(自身を除く): 159782168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 8081, 8596, 16162, 17192, 32324, 56567, 64648, 113134, 226268, 452536, 2480867, 4961734, 9923468, 17366069, 19846936, 34732138, 69464276, 138928552]

約数ペア:

[(1, 138928552), (2, 69464276), (4, 34732138), (7, 19846936), (8, 17366069), (14, 9923468), (28, 4961734), (56, 2480867), (307, 452536), (614, 226268), (1228, 113134), (2149, 64648), (2456, 56567), (4298, 32324), (8081, 17192), (8596, 16162)]