208889135

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{331}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 330193920

約数和(自身を除く): 121304785

約数列:

[1, 5, 7, 13, 19, 35, 65, 73, 91, 95, 133, 247, 331, 365, 455, 511, 665, 949, 1235, 1387, 1655, 1729, 2317, 2555, 4303, 4745, 6289, 6643, 6935, 8645, 9709, 11585, 18031, 21515, 24163, 30121, 31445, 33215, 44023, 48545, 81757, 90155, 120815, 126217, 150605, 169141, 220115, 314119, 408785, 459097, 572299, 631085, 845705, 1570595, 2198833, 2295485, 2861495, 3213679, 5968261, 10994165, 16068395, 29841305, 41777827, 208889135]

約数ペア:

[(1, 208889135), (5, 41777827), (7, 29841305), (13, 16068395), (19, 10994165), (35, 5968261), (65, 3213679), (73, 2861495), (91, 2295485), (95, 2198833), (133, 1570595), (247, 845705), (331, 631085), (365, 572299), (455, 459097), (511, 408785), (665, 314119), (949, 220115), (1235, 169141), (1387, 150605), (1655, 126217), (1729, 120815), (2317, 90155), (2555, 81757), (4303, 48545), (4745, 44023), (6289, 33215), (6643, 31445), (6935, 30121), (8645, 24163), (9709, 21515), (11585, 18031)]