128857458

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{2557}}^1$

素因数の和:2826

約数の個数: 32

約数和(自身を含む): 265950144

約数和(自身を除く): 137092686

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 227, 454, 681, 1362, 2557, 5114, 7671, 8399, 15342, 16798, 25197, 50394, 94609, 189218, 283827, 567654, 580439, 1160878, 1741317, 3482634, 21476243, 42952486, 64428729, 128857458]

約数ペア:

[(1, 128857458), (2, 64428729), (3, 42952486), (6, 21476243), (37, 3482634), (74, 1741317), (111, 1160878), (222, 580439), (227, 567654), (454, 283827), (681, 189218), (1362, 94609), (2557, 50394), (5114, 25197), (7671, 16798), (8399, 15342)]