25691589

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 46785024

約数和(自身を除く): 21093435

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 131, 231, 283, 393, 693, 849, 917, 1179, 1441, 1981, 2547, 2751, 3113, 4323, 5943, 8253, 9339, 10087, 12969, 17829, 21791, 28017, 30261, 37073, 65373, 90783, 111219, 196119, 259511, 333657, 407803, 778533, 1223409, 2335599, 2854621, 3670227, 8563863, 25691589]

約数ペア:

[(1, 25691589), (3, 8563863), (7, 3670227), (9, 2854621), (11, 2335599), (21, 1223409), (33, 778533), (63, 407803), (77, 333657), (99, 259511), (131, 196119), (231, 111219), (283, 90783), (393, 65373), (693, 37073), (849, 30261), (917, 28017), (1179, 21791), (1441, 17829), (1981, 12969), (2547, 10087), (2751, 9339), (3113, 8253), (4323, 5943)]