665876692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2141}}^1\times {\mathrm{5981}}^1$

素因数の和:8139

約数の個数: 24

約数和(自身を含む): 1255717512

約数和(自身を除く): 589840820

約数列:

[1, 2, 4, 13, 26, 52, 2141, 4282, 5981, 8564, 11962, 23924, 27833, 55666, 77753, 111332, 155506, 311012, 12805321, 25610642, 51221284, 166469173, 332938346, 665876692]

約数ペア:

[(1, 665876692), (2, 332938346), (4, 166469173), (13, 51221284), (26, 25610642), (52, 12805321), (2141, 311012), (4282, 155506), (5981, 111332), (8564, 77753), (11962, 55666), (23924, 27833)]