128473648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{113093}}^1$

素因数の和:113172

約数の個数: 20

約数和(自身を含む): 252425808

約数和(自身を除く): 123952160

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 113093, 226186, 452372, 904744, 1809488, 8029603, 16059206, 32118412, 64236824, 128473648]

約数ペア:

[(1, 128473648), (2, 64236824), (4, 32118412), (8, 16059206), (16, 8029603), (71, 1809488), (142, 904744), (284, 452372), (568, 226186), (1136, 113093)]