197486855

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 268614144

約数和(自身を除く): 71127289

約数列:

[1, 5, 19, 23, 67, 71, 95, 115, 335, 355, 361, 437, 1273, 1349, 1541, 1633, 1805, 2185, 4757, 6365, 6745, 7705, 8165, 8303, 23785, 24187, 25631, 29279, 31027, 41515, 90383, 109411, 120935, 128155, 146395, 155135, 451915, 547055, 556301, 589513, 1717277, 2078809, 2781505, 2947565, 8586385, 10394045, 39497371, 197486855]

約数ペア:

[(1, 197486855), (5, 39497371), (19, 10394045), (23, 8586385), (67, 2947565), (71, 2781505), (95, 2078809), (115, 1717277), (335, 589513), (355, 556301), (361, 547055), (437, 451915), (1273, 155135), (1349, 146395), (1541, 128155), (1633, 120935), (1805, 109411), (2185, 90383), (4757, 41515), (6365, 31027), (6745, 29279), (7705, 25631), (8165, 24187), (8303, 23785)]