291233995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7607}}^1$

素因数の和:7675

約数の個数: 32

約数和(自身を含む): 409006080

約数和(自身を除く): 117772085

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 1235, 2015, 2945, 7607, 7657, 38035, 38285, 98891, 144533, 235817, 494455, 722665, 1179085, 1878929, 3065621, 4480523, 9394645, 15328105, 22402615, 58246799, 291233995]

約数ペア:

[(1, 291233995), (5, 58246799), (13, 22402615), (19, 15328105), (31, 9394645), (65, 4480523), (95, 3065621), (155, 1878929), (247, 1179085), (403, 722665), (589, 494455), (1235, 235817), (2015, 144533), (2945, 98891), (7607, 38285), (7657, 38035)]