1640667841

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{401}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 1875571200

約数和(自身を除く): 234903359

約数列:

[1, 17, 19, 53, 239, 323, 401, 901, 1007, 4063, 4541, 6817, 7619, 12667, 17119, 21253, 77197, 95839, 129523, 215339, 240673, 361301, 403807, 1629263, 1820941, 4091441, 5079467, 6864719, 30955997, 86350939, 96509873, 1640667841]

約数ペア:

[(1, 1640667841), (17, 96509873), (19, 86350939), (53, 30955997), (239, 6864719), (323, 5079467), (401, 4091441), (901, 1820941), (1007, 1629263), (4063, 403807), (4541, 361301), (6817, 240673), (7619, 215339), (12667, 129523), (17119, 95839), (21253, 77197)]