81137872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1499}}^1$

素因数の和:1723

約数の個数: 40

約数和(自身を含む): 167400000

約数和(自身を除く): 86262128

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 199, 272, 398, 796, 1499, 1592, 2998, 3184, 3383, 5996, 6766, 11992, 13532, 23984, 25483, 27064, 50966, 54128, 101932, 203864, 298301, 407728, 596602, 1193204, 2386408, 4772816, 5071117, 10142234, 20284468, 40568936, 81137872]

約数ペア:

[(1, 81137872), (2, 40568936), (4, 20284468), (8, 10142234), (16, 5071117), (17, 4772816), (34, 2386408), (68, 1193204), (136, 596602), (199, 407728), (272, 298301), (398, 203864), (796, 101932), (1499, 54128), (1592, 50966), (2998, 27064), (3184, 25483), (3383, 23984), (5996, 13532), (6766, 11992)]