156991445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{607}}^1$

素因数の和:821

約数の個数: 32

約数和(自身を含む): 213276672

約数和(自身を除く): 56285227

約数列:

[1, 5, 13, 23, 65, 115, 173, 299, 607, 865, 1495, 2249, 3035, 3979, 7891, 11245, 13961, 19895, 39455, 51727, 69805, 105011, 181493, 258635, 525055, 907465, 1365143, 2415253, 6825715, 12076265, 31398289, 156991445]

約数ペア:

[(1, 156991445), (5, 31398289), (13, 12076265), (23, 6825715), (65, 2415253), (115, 1365143), (173, 907465), (299, 525055), (607, 258635), (865, 181493), (1495, 105011), (2249, 69805), (3035, 51727), (3979, 39455), (7891, 19895), (11245, 13961)]