291260528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{1669}}^1$

素因数の和:2529

約数の個数: 40

約数和(自身を含む): 608815200

約数和(自身を除く): 317554672

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 839, 1669, 1678, 3338, 3356, 6676, 6712, 10907, 13352, 13424, 21697, 21814, 26704, 43394, 43628, 86788, 87256, 173576, 174512, 347152, 1400291, 2800582, 5601164, 11202328, 18203783, 22404656, 36407566, 72815132, 145630264, 291260528]

約数ペア:

[(1, 291260528), (2, 145630264), (4, 72815132), (8, 36407566), (13, 22404656), (16, 18203783), (26, 11202328), (52, 5601164), (104, 2800582), (208, 1400291), (839, 347152), (1669, 174512), (1678, 173576), (3338, 87256), (3356, 86788), (6676, 43628), (6712, 43394), (10907, 26704), (13352, 21814), (13424, 21697)]