201808906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 331265088

約数和(自身を除く): 129456182

約数列:

[1, 2, 13, 26, 131, 193, 262, 307, 386, 614, 1703, 2509, 3406, 3991, 5018, 7982, 25283, 40217, 50566, 59251, 80434, 118502, 328679, 522821, 657358, 770263, 1045642, 1540526, 7761881, 15523762, 100904453, 201808906]

約数ペア:

[(1, 201808906), (2, 100904453), (13, 15523762), (26, 7761881), (131, 1540526), (193, 1045642), (262, 770263), (307, 657358), (386, 522821), (614, 328679), (1703, 118502), (2509, 80434), (3406, 59251), (3991, 50566), (5018, 40217), (7982, 25283)]