39890776

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1237}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 77994000

約数和(自身を除く): 38103224

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 278, 556, 1112, 1237, 2474, 4031, 4948, 8062, 9896, 16124, 32248, 35873, 71746, 143492, 171943, 286984, 343886, 687772, 1375544, 4986347, 9972694, 19945388, 39890776]

約数ペア:

[(1, 39890776), (2, 19945388), (4, 9972694), (8, 4986347), (29, 1375544), (58, 687772), (116, 343886), (139, 286984), (232, 171943), (278, 143492), (556, 71746), (1112, 35873), (1237, 32248), (2474, 16124), (4031, 9896), (4948, 8062)]