215645755324

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1109}}^1\times {\mathrm{19531}}^1$

素因数の和:20794

約数の個数: 48

約数和(自身を含む): 400656009600

約数和(自身を除く): 185010254276

約数列:

[1, 2, 4, 19, 38, 76, 131, 262, 524, 1109, 2218, 2489, 4436, 4978, 9956, 19531, 21071, 39062, 42142, 78124, 84284, 145279, 290558, 371089, 581116, 742178, 1484356, 2558561, 2760301, 5117122, 5520602, 10234244, 11041204, 21659879, 43319758, 48612659, 86639516, 97225318, 194450636, 411537701, 823075402, 1646150804, 2837444149, 5674888298, 11349776596, 53911438831, 107822877662, 215645755324]

約数ペア:

[(1, 215645755324), (2, 107822877662), (4, 53911438831), (19, 11349776596), (38, 5674888298), (76, 2837444149), (131, 1646150804), (262, 823075402), (524, 411537701), (1109, 194450636), (2218, 97225318), (2489, 86639516), (4436, 48612659), (4978, 43319758), (9956, 21659879), (19531, 11041204), (21071, 10234244), (39062, 5520602), (42142, 5117122), (78124, 2760301), (84284, 2558561), (145279, 1484356), (290558, 742178), (371089, 581116)]