81618784

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6329}}^1$

素因数の和:6383

約数の個数: 48

約数和(自身を含む): 178657920

約数和(自身を除く): 97039136

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6329, 6448, 12658, 12896, 25316, 50632, 82277, 101264, 164554, 196199, 202528, 329108, 392398, 658216, 784796, 1316432, 1569592, 2550587, 2632864, 3139184, 5101174, 6278368, 10202348, 20404696, 40809392, 81618784]

約数ペア:

[(1, 81618784), (2, 40809392), (4, 20404696), (8, 10202348), (13, 6278368), (16, 5101174), (26, 3139184), (31, 2632864), (32, 2550587), (52, 1569592), (62, 1316432), (104, 784796), (124, 658216), (208, 392398), (248, 329108), (403, 202528), (416, 196199), (496, 164554), (806, 101264), (992, 82277), (1612, 50632), (3224, 25316), (6329, 12896), (6448, 12658)]