90508145

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 137683728

約数和(自身を除く): 47175583

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 157, 181, 245, 455, 637, 785, 905, 1099, 1267, 2041, 2353, 3185, 5495, 6335, 7693, 8869, 10205, 11765, 14287, 16471, 28417, 38465, 44345, 71435, 82355, 100009, 115297, 142085, 198919, 369421, 500045, 576485, 994595, 1392433, 1847105, 2585947, 6962165, 12929735, 18101629, 90508145]

約数ペア:

[(1, 90508145), (5, 18101629), (7, 12929735), (13, 6962165), (35, 2585947), (49, 1847105), (65, 1392433), (91, 994595), (157, 576485), (181, 500045), (245, 369421), (455, 198919), (637, 142085), (785, 115297), (905, 100009), (1099, 82355), (1267, 71435), (2041, 44345), (2353, 38465), (3185, 28417), (5495, 16471), (6335, 14287), (7693, 11765), (8869, 10205)]