90873484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{11131}}^1$

素因数の和:11305

約数の個数: 24

約数和(自身を含む): 172367888

約数和(自身を除く): 81494404

約数列:

[1, 2, 4, 13, 26, 52, 157, 314, 628, 2041, 4082, 8164, 11131, 22262, 44524, 144703, 289406, 578812, 1747567, 3495134, 6990268, 22718371, 45436742, 90873484]

約数ペア:

[(1, 90873484), (2, 45436742), (4, 22718371), (13, 6990268), (26, 3495134), (52, 1747567), (157, 578812), (314, 289406), (628, 144703), (2041, 44524), (4082, 22262), (8164, 11131)]