201820984

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{1621}}^1$

素因数の和:1903

約数の個数: 32

約数和(自身を含む): 385387200

約数和(自身を除く): 183566216

約数列:

[1, 2, 4, 8, 79, 158, 197, 316, 394, 632, 788, 1576, 1621, 3242, 6484, 12968, 15563, 31126, 62252, 124504, 128059, 256118, 319337, 512236, 638674, 1024472, 1277348, 2554696, 25227623, 50455246, 100910492, 201820984]

約数ペア:

[(1, 201820984), (2, 100910492), (4, 50455246), (8, 25227623), (79, 2554696), (158, 1277348), (197, 1024472), (316, 638674), (394, 512236), (632, 319337), (788, 256118), (1576, 128059), (1621, 124504), (3242, 62252), (6484, 31126), (12968, 15563)]