39890921

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 49904640

約数和(自身を除く): 10013719

約数列:

[1, 7, 29, 37, 47, 113, 203, 259, 329, 791, 1073, 1363, 1739, 3277, 4181, 5311, 7511, 9541, 12173, 22939, 29267, 37177, 50431, 121249, 154019, 196507, 353017, 848743, 1078133, 1375549, 5698703, 39890921]

約数ペア:

[(1, 39890921), (7, 5698703), (29, 1375549), (37, 1078133), (47, 848743), (113, 353017), (203, 196507), (259, 154019), (329, 121249), (791, 50431), (1073, 37177), (1363, 29267), (1739, 22939), (3277, 12173), (4181, 9541), (5311, 7511)]