1289186005

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{1039}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 1678809600

約数和(自身を除く): 389623595

約数列:

[1, 5, 19, 37, 95, 185, 353, 703, 1039, 1765, 3515, 5195, 6707, 13061, 19741, 33535, 38443, 65305, 98705, 192215, 248159, 366767, 730417, 1240795, 1833835, 3652085, 6968573, 13570379, 34842865, 67851895, 257837201, 1289186005]

約数ペア:

[(1, 1289186005), (5, 257837201), (19, 67851895), (37, 34842865), (95, 13570379), (185, 6968573), (353, 3652085), (703, 1833835), (1039, 1240795), (1765, 730417), (3515, 366767), (5195, 248159), (6707, 192215), (13061, 98705), (19741, 65305), (33535, 38443)]