81418696

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{239}}^1\times {\mathrm{439}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 155232000

約数和(自身を除く): 73813304

約数列:

[1, 2, 4, 8, 97, 194, 239, 388, 439, 478, 776, 878, 956, 1756, 1912, 3512, 23183, 42583, 46366, 85166, 92732, 104921, 170332, 185464, 209842, 340664, 419684, 839368, 10177337, 20354674, 40709348, 81418696]

約数ペア:

[(1, 81418696), (2, 40709348), (4, 20354674), (8, 10177337), (97, 839368), (194, 419684), (239, 340664), (388, 209842), (439, 185464), (478, 170332), (776, 104921), (878, 92732), (956, 85166), (1756, 46366), (1912, 42583), (3512, 23183)]