81320224

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:689

約数の個数: 48

約数和(自身を含む): 165588192

約数和(自身を除く): 84267968

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 113, 172, 226, 344, 452, 523, 688, 904, 1046, 1376, 1808, 2092, 3616, 4184, 4859, 8368, 9718, 16736, 19436, 22489, 38872, 44978, 59099, 77744, 89956, 118198, 155488, 179912, 236396, 359824, 472792, 719648, 945584, 1891168, 2541257, 5082514, 10165028, 20330056, 40660112, 81320224]

約数ペア:

[(1, 81320224), (2, 40660112), (4, 20330056), (8, 10165028), (16, 5082514), (32, 2541257), (43, 1891168), (86, 945584), (113, 719648), (172, 472792), (226, 359824), (344, 236396), (452, 179912), (523, 155488), (688, 118198), (904, 89956), (1046, 77744), (1376, 59099), (1808, 44978), (2092, 38872), (3616, 22489), (4184, 19436), (4859, 16736), (8368, 9718)]