39988144

素因数分解:

$2^4\times 7^1\times {\mathrm{557}}^1\times {\mathrm{641}}^1$

素因数の和:1213

約数の個数: 40

約数和(自身を含む): 88842528

約数和(自身を除く): 48854384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 557, 641, 1114, 1282, 2228, 2564, 3899, 4456, 4487, 5128, 7798, 8912, 8974, 10256, 15596, 17948, 31192, 35896, 62384, 71792, 357037, 714074, 1428148, 2499259, 2856296, 4998518, 5712592, 9997036, 19994072, 39988144]

約数ペア:

[(1, 39988144), (2, 19994072), (4, 9997036), (7, 5712592), (8, 4998518), (14, 2856296), (16, 2499259), (28, 1428148), (56, 714074), (112, 357037), (557, 71792), (641, 62384), (1114, 35896), (1282, 31192), (2228, 17948), (2564, 15596), (3899, 10256), (4456, 8974), (4487, 8912), (5128, 7798)]