2511971

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:155

約数の個数: 32

約数和(自身を含む): 3525120

約数和(自身を除く): 1013149

約数列:

[1, 7, 11, 17, 19, 77, 101, 119, 133, 187, 209, 323, 707, 1111, 1309, 1463, 1717, 1919, 2261, 3553, 7777, 12019, 13433, 18887, 21109, 24871, 32623, 132209, 147763, 228361, 358853, 2511971]

約数ペア:

[(1, 2511971), (7, 358853), (11, 228361), (17, 147763), (19, 132209), (77, 32623), (101, 24871), (119, 21109), (133, 18887), (187, 13433), (209, 12019), (323, 7777), (707, 3553), (1111, 2261), (1309, 1919), (1463, 1717)]