81969656

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{1447}}^1$

素因数の和:1623

約数の個数: 32

約数和(自身を含む): 157513440

約数和(自身を除く): 75543784

約数列:

[1, 2, 4, 8, 73, 97, 146, 194, 292, 388, 584, 776, 1447, 2894, 5788, 7081, 11576, 14162, 28324, 56648, 105631, 140359, 211262, 280718, 422524, 561436, 845048, 1122872, 10246207, 20492414, 40984828, 81969656]

約数ペア:

[(1, 81969656), (2, 40984828), (4, 20492414), (8, 10246207), (73, 1122872), (97, 845048), (146, 561436), (194, 422524), (292, 280718), (388, 211262), (584, 140359), (776, 105631), (1447, 56648), (2894, 28324), (5788, 14162), (7081, 11576)]