23919259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 31109120

約数和(自身を除く): 7189861

約数列:

[1, 7, 13, 31, 61, 91, 139, 217, 403, 427, 793, 973, 1807, 1891, 2821, 4309, 5551, 8479, 12649, 13237, 24583, 30163, 56017, 59353, 110227, 172081, 262849, 392119, 771589, 1839943, 3417037, 23919259]

約数ペア:

[(1, 23919259), (7, 3417037), (13, 1839943), (31, 771589), (61, 392119), (91, 262849), (139, 172081), (217, 110227), (403, 59353), (427, 56017), (793, 30163), (973, 24583), (1807, 13237), (1891, 12649), (2821, 8479), (4309, 5551)]