205369885

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{991}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 292552704

約数和(自身を除く): 87182819

約数列:

[1, 5, 7, 31, 35, 155, 191, 217, 955, 991, 1085, 1337, 4955, 5921, 6685, 6937, 29605, 30721, 34685, 41447, 153605, 189281, 207235, 215047, 946405, 1075235, 1324967, 5867711, 6624835, 29338555, 41073977, 205369885]

約数ペア:

[(1, 205369885), (5, 41073977), (7, 29338555), (31, 6624835), (35, 5867711), (155, 1324967), (191, 1075235), (217, 946405), (955, 215047), (991, 207235), (1085, 189281), (1337, 153605), (4955, 41447), (5921, 34685), (6685, 30721), (6937, 29605)]