127977005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{257}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 170601984

約数和(自身を除く): 42624979

約数列:

[1, 5, 13, 47, 65, 163, 235, 257, 611, 815, 1285, 2119, 3055, 3341, 7661, 10595, 12079, 16705, 38305, 41891, 60395, 99593, 157027, 209455, 497965, 544583, 785135, 1968877, 2722915, 9844385, 25595401, 127977005]

約数ペア:

[(1, 127977005), (5, 25595401), (13, 9844385), (47, 2722915), (65, 1968877), (163, 785135), (235, 544583), (257, 497965), (611, 209455), (815, 157027), (1285, 99593), (2119, 60395), (3055, 41891), (3341, 38305), (7661, 16705), (10595, 12079)]