17768995

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 24105600

約数和(自身を除く): 6336605

約数列:

[1, 5, 17, 23, 61, 85, 115, 149, 305, 391, 745, 1037, 1403, 1955, 2533, 3427, 5185, 7015, 9089, 12665, 17135, 23851, 45445, 58259, 119255, 154513, 209047, 291295, 772565, 1045235, 3553799, 17768995]

約数ペア:

[(1, 17768995), (5, 3553799), (17, 1045235), (23, 772565), (61, 291295), (85, 209047), (115, 154513), (149, 119255), (305, 58259), (391, 45445), (745, 23851), (1037, 17135), (1403, 12665), (1955, 9089), (2533, 7015), (3427, 5185)]