221505432005

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{971153}}^1$

素因数の和:971222

約数の個数: 48

約数和(自身を含む): 325491974640

約数和(自身を除く): 103986542635

約数列:

[1, 5, 11, 13, 29, 55, 65, 121, 143, 145, 319, 377, 605, 715, 1573, 1595, 1885, 3509, 4147, 7865, 17545, 20735, 45617, 228085, 971153, 4855765, 10682683, 12624989, 28163437, 53413415, 63124945, 117509513, 138874879, 140817185, 309797807, 366124681, 587547565, 694374395, 1527623669, 1548989035, 1830623405, 3407775877, 4027371491, 7638118345, 17038879385, 20136857455, 44301086401, 221505432005]

約数ペア:

[(1, 221505432005), (5, 44301086401), (11, 20136857455), (13, 17038879385), (29, 7638118345), (55, 4027371491), (65, 3407775877), (121, 1830623405), (143, 1548989035), (145, 1527623669), (319, 694374395), (377, 587547565), (605, 366124681), (715, 309797807), (1573, 140817185), (1595, 138874879), (1885, 117509513), (3509, 63124945), (4147, 53413415), (7865, 28163437), (17545, 12624989), (20735, 10682683), (45617, 4855765), (228085, 971153)]