219954959

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{193}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 273661056

約数和(自身を除く): 53706097

約数列:

[1, 7, 17, 61, 119, 157, 193, 427, 1037, 1099, 1351, 2669, 3281, 7259, 9577, 11773, 18683, 22967, 30301, 67039, 82411, 162809, 200141, 212107, 515117, 1139663, 1400987, 1848361, 3605819, 12938527, 31422137, 219954959]

約数ペア:

[(1, 219954959), (7, 31422137), (17, 12938527), (61, 3605819), (119, 1848361), (157, 1400987), (193, 1139663), (427, 515117), (1037, 212107), (1099, 200141), (1351, 162809), (2669, 82411), (3281, 67039), (7259, 30301), (9577, 22967), (11773, 18683)]