81223808

素因数分解:

$2^7\times {\mathrm{487}}^1\times {\mathrm{1303}}^1$

素因数の和:1804

約数の個数: 32

約数和(自身を含む): 162269760

約数和(自身を除く): 81045952

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 487, 974, 1303, 1948, 2606, 3896, 5212, 7792, 10424, 15584, 20848, 31168, 41696, 62336, 83392, 166784, 634561, 1269122, 2538244, 5076488, 10152976, 20305952, 40611904, 81223808]

約数ペア:

[(1, 81223808), (2, 40611904), (4, 20305952), (8, 10152976), (16, 5076488), (32, 2538244), (64, 1269122), (128, 634561), (487, 166784), (974, 83392), (1303, 62336), (1948, 41696), (2606, 31168), (3896, 20848), (5212, 15584), (7792, 10424)]