128235128

素因数分解:

$2^3\times 7^1\times {\mathrm{307}}^1\times {\mathrm{7459}}^1$

素因数の和:7779

約数の個数: 32

約数和(自身を含む): 275721600

約数和(自身を除く): 147486472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 307, 614, 1228, 2149, 2456, 4298, 7459, 8596, 14918, 17192, 29836, 52213, 59672, 104426, 208852, 417704, 2289913, 4579826, 9159652, 16029391, 18319304, 32058782, 64117564, 128235128]

約数ペア:

[(1, 128235128), (2, 64117564), (4, 32058782), (7, 18319304), (8, 16029391), (14, 9159652), (28, 4579826), (56, 2289913), (307, 417704), (614, 208852), (1228, 104426), (2149, 59672), (2456, 52213), (4298, 29836), (7459, 17192), (8596, 14918)]