201581204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{661}}^1$

素因数の和:944

約数の個数: 48

約数和(自身を含む): 400377600

約数和(自身を除く): 198796396

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 239, 319, 478, 638, 661, 956, 1276, 1322, 2629, 2644, 5258, 6931, 7271, 10516, 13862, 14542, 19169, 27724, 29084, 38338, 76241, 76676, 152482, 157979, 210859, 304964, 315958, 421718, 631916, 843436, 1737769, 3475538, 4581391, 6951076, 9162782, 18325564, 50395301, 100790602, 201581204]

約数ペア:

[(1, 201581204), (2, 100790602), (4, 50395301), (11, 18325564), (22, 9162782), (29, 6951076), (44, 4581391), (58, 3475538), (116, 1737769), (239, 843436), (319, 631916), (478, 421718), (638, 315958), (661, 304964), (956, 210859), (1276, 157979), (1322, 152482), (2629, 76676), (2644, 76241), (5258, 38338), (6931, 29084), (7271, 27724), (10516, 19169), (13862, 14542)]