31997528

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 61300800

約数和(自身を除く): 29303272

約数列:

[1, 2, 4, 8, 79, 158, 197, 257, 316, 394, 514, 632, 788, 1028, 1576, 2056, 15563, 20303, 31126, 40606, 50629, 62252, 81212, 101258, 124504, 162424, 202516, 405032, 3999691, 7999382, 15998764, 31997528]

約数ペア:

[(1, 31997528), (2, 15998764), (4, 7999382), (8, 3999691), (79, 405032), (158, 202516), (197, 162424), (257, 124504), (316, 101258), (394, 81212), (514, 62252), (632, 50629), (788, 40606), (1028, 31126), (1576, 20303), (2056, 15563)]