207789985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{541}}^1$

素因数の和:889

約数の個数: 32

約数和(自身を含む): 284094720

約数和(自身を除く): 76304735

約数列:

[1, 5, 13, 19, 65, 95, 247, 311, 541, 1235, 1555, 2705, 4043, 5909, 7033, 10279, 20215, 29545, 35165, 51395, 76817, 133627, 168251, 384085, 668135, 841255, 2187263, 3196769, 10936315, 15983845, 41557997, 207789985]

約数ペア:

[(1, 207789985), (5, 41557997), (13, 15983845), (19, 10936315), (65, 3196769), (95, 2187263), (247, 841255), (311, 668135), (541, 384085), (1235, 168251), (1555, 133627), (2705, 76817), (4043, 51395), (5909, 35165), (7033, 29545), (10279, 20215)]