204513815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 300810240

約数和(自身を除く): 96296425

約数列:

[1, 5, 11, 19, 23, 55, 67, 95, 115, 127, 209, 253, 335, 437, 635, 737, 1045, 1265, 1273, 1397, 1541, 2185, 2413, 2921, 3685, 4807, 6365, 6985, 7705, 8509, 12065, 14003, 14605, 16951, 24035, 26543, 29279, 32131, 42545, 55499, 70015, 84755, 93599, 132715, 146395, 160655, 161671, 195707, 277495, 322069, 467995, 610489, 808355, 978535, 1610345, 1778381, 2152777, 3052445, 3718433, 8891905, 10763885, 18592165, 40902763, 204513815]

約数ペア:

[(1, 204513815), (5, 40902763), (11, 18592165), (19, 10763885), (23, 8891905), (55, 3718433), (67, 3052445), (95, 2152777), (115, 1778381), (127, 1610345), (209, 978535), (253, 808355), (335, 610489), (437, 467995), (635, 322069), (737, 277495), (1045, 195707), (1265, 161671), (1273, 160655), (1397, 146395), (1541, 132715), (2185, 93599), (2413, 84755), (2921, 70015), (3685, 55499), (4807, 42545), (6365, 32131), (6985, 29279), (7705, 26543), (8509, 24035), (12065, 16951), (14003, 14605)]