31997584

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 63980280

約数和(自身を除く): 31982696

約数列:

[1, 2, 4, 8, 16, 53, 97, 106, 194, 212, 388, 389, 424, 776, 778, 848, 1552, 1556, 3112, 5141, 6224, 10282, 20564, 20617, 37733, 41128, 41234, 75466, 82256, 82468, 150932, 164936, 301864, 329872, 603728, 1999849, 3999698, 7999396, 15998792, 31997584]

約数ペア:

[(1, 31997584), (2, 15998792), (4, 7999396), (8, 3999698), (16, 1999849), (53, 603728), (97, 329872), (106, 301864), (194, 164936), (212, 150932), (388, 82468), (389, 82256), (424, 75466), (776, 41234), (778, 41128), (848, 37733), (1552, 20617), (1556, 20564), (3112, 10282), (5141, 6224)]