81243568

素因数分解:

$2^4\times 7^2\times {\mathrm{173}}^1\times {\mathrm{599}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 184474800

約数和(自身を除く): 103231232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 173, 196, 346, 392, 599, 692, 784, 1198, 1211, 1384, 2396, 2422, 2768, 4193, 4792, 4844, 8386, 8477, 9584, 9688, 16772, 16954, 19376, 29351, 33544, 33908, 58702, 67088, 67816, 103627, 117404, 135632, 207254, 234808, 414508, 469616, 725389, 829016, 1450778, 1658032, 2901556, 5077723, 5803112, 10155446, 11606224, 20310892, 40621784, 81243568]

約数ペア:

[(1, 81243568), (2, 40621784), (4, 20310892), (7, 11606224), (8, 10155446), (14, 5803112), (16, 5077723), (28, 2901556), (49, 1658032), (56, 1450778), (98, 829016), (112, 725389), (173, 469616), (196, 414508), (346, 234808), (392, 207254), (599, 135632), (692, 117404), (784, 103627), (1198, 67816), (1211, 67088), (1384, 58702), (2396, 33908), (2422, 33544), (2768, 29351), (4193, 19376), (4792, 16954), (4844, 16772), (8386, 9688), (8477, 9584)]