218219638

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{1091}}^1$

素因数の和:1277

約数の個数: 48

約数和(自身を含む): 413051184

約数和(自身を除く): 194831546

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 157, 182, 314, 637, 1091, 1099, 1274, 2041, 2182, 2198, 4082, 7637, 7693, 14183, 14287, 15274, 15386, 28366, 28574, 53459, 99281, 100009, 106918, 171287, 198562, 200018, 342574, 694967, 1199009, 1389934, 2226731, 2398018, 4453462, 8393063, 15587117, 16786126, 31174234, 109109819, 218219638]

約数ペア:

[(1, 218219638), (2, 109109819), (7, 31174234), (13, 16786126), (14, 15587117), (26, 8393063), (49, 4453462), (91, 2398018), (98, 2226731), (157, 1389934), (182, 1199009), (314, 694967), (637, 342574), (1091, 200018), (1099, 198562), (1274, 171287), (2041, 106918), (2182, 100009), (2198, 99281), (4082, 53459), (7637, 28574), (7693, 28366), (14183, 15386), (14287, 15274)]