25819409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 34283520

約数和(自身を除く): 8464111

約数列:

[1, 7, 11, 23, 61, 77, 161, 239, 253, 427, 671, 1403, 1673, 1771, 2629, 4697, 5497, 9821, 14579, 15433, 18403, 38479, 60467, 102053, 108031, 160369, 335317, 423269, 1122583, 2347219, 3688487, 25819409]

約数ペア:

[(1, 25819409), (7, 3688487), (11, 2347219), (23, 1122583), (61, 423269), (77, 335317), (161, 160369), (239, 108031), (253, 102053), (427, 60467), (671, 38479), (1403, 18403), (1673, 15433), (1771, 14579), (2629, 9821), (4697, 5497)]