127977145

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:537

約数の個数: 32

約数和(自身を含む): 166717440

約数和(自身を除く): 38740295

約数列:

[1, 5, 29, 31, 71, 145, 155, 355, 401, 899, 2005, 2059, 2201, 4495, 10295, 11005, 11629, 12431, 28471, 58145, 62155, 63829, 142355, 319145, 360499, 825659, 882601, 1802495, 4128295, 4413005, 25595429, 127977145]

約数ペア:

[(1, 127977145), (5, 25595429), (29, 4413005), (31, 4128295), (71, 1802495), (145, 882601), (155, 825659), (355, 360499), (401, 319145), (899, 142355), (2005, 63829), (2059, 62155), (2201, 58145), (4495, 28471), (10295, 12431), (11005, 11629)]