15640254

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1345

約数の個数: 48

約数和(自身を含む): 39143520

約数和(自身を除く): 23503266

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 101, 126, 202, 303, 606, 707, 909, 1229, 1414, 1818, 2121, 2458, 3687, 4242, 6363, 7374, 8603, 11061, 12726, 17206, 22122, 25809, 51618, 77427, 124129, 154854, 248258, 372387, 744774, 868903, 1117161, 1737806, 2234322, 2606709, 5213418, 7820127, 15640254]

約数ペア:

[(1, 15640254), (2, 7820127), (3, 5213418), (6, 2606709), (7, 2234322), (9, 1737806), (14, 1117161), (18, 868903), (21, 744774), (42, 372387), (63, 248258), (101, 154854), (126, 124129), (202, 77427), (303, 51618), (606, 25809), (707, 22122), (909, 17206), (1229, 12726), (1414, 11061), (1818, 8603), (2121, 7374), (2458, 6363), (3687, 4242)]