31938145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 11192735

約数列:

[1, 5, 19, 23, 47, 95, 115, 235, 311, 437, 893, 1081, 1555, 2185, 4465, 5405, 5909, 7153, 14617, 20539, 29545, 35765, 73085, 102695, 135907, 277723, 336191, 679535, 1388615, 1680955, 6387629, 31938145]

約数ペア:

[(1, 31938145), (5, 6387629), (19, 1680955), (23, 1388615), (47, 679535), (95, 336191), (115, 277723), (235, 135907), (311, 102695), (437, 73085), (893, 35765), (1081, 29545), (1555, 20539), (2185, 14617), (4465, 7153), (5405, 5909)]