81904464

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{8011}}^1$

素因数の和:8096

約数の個数: 60

約数和(自身を含む): 232476192

約数和(自身を除く): 150571728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 3408, 5112, 8011, 10224, 16022, 24033, 32044, 48066, 64088, 72099, 96132, 128176, 144198, 192264, 288396, 384528, 568781, 576792, 1137562, 1153584, 1706343, 2275124, 3412686, 4550248, 5119029, 6825372, 9100496, 10238058, 13650744, 20476116, 27301488, 40952232, 81904464]

約数ペア:

[(1, 81904464), (2, 40952232), (3, 27301488), (4, 20476116), (6, 13650744), (8, 10238058), (9, 9100496), (12, 6825372), (16, 5119029), (18, 4550248), (24, 3412686), (36, 2275124), (48, 1706343), (71, 1153584), (72, 1137562), (142, 576792), (144, 568781), (213, 384528), (284, 288396), (426, 192264), (568, 144198), (639, 128176), (852, 96132), (1136, 72099), (1278, 64088), (1704, 48066), (2556, 32044), (3408, 24033), (5112, 16022), (8011, 10224)]