287549717

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 361267200

約数和(自身を除く): 73717483

約数列:

[1, 7, 13, 91, 127, 139, 179, 889, 973, 1253, 1651, 1807, 2327, 11557, 12649, 16289, 17653, 22733, 24881, 123571, 159131, 174167, 229489, 295529, 323453, 1606423, 2068703, 2264171, 3159887, 22119209, 41078531, 287549717]

約数ペア:

[(1, 287549717), (7, 41078531), (13, 22119209), (91, 3159887), (127, 2264171), (139, 2068703), (179, 1606423), (889, 323453), (973, 295529), (1253, 229489), (1651, 174167), (1807, 159131), (2327, 123571), (11557, 24881), (12649, 22733), (16289, 17653)]