77912825

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 36

約数和(自身を含む): 104173020

約数和(自身を除く): 26260195

約数列:

[1, 5, 19, 25, 89, 95, 97, 361, 445, 475, 485, 1691, 1805, 1843, 2225, 2425, 8455, 8633, 9025, 9215, 32129, 35017, 42275, 43165, 46075, 160645, 164027, 175085, 215825, 803225, 820135, 875425, 3116513, 4100675, 15582565, 77912825]

約数ペア:

[(1, 77912825), (5, 15582565), (19, 4100675), (25, 3116513), (89, 875425), (95, 820135), (97, 803225), (361, 215825), (445, 175085), (475, 164027), (485, 160645), (1691, 46075), (1805, 43165), (1843, 42275), (2225, 35017), (2425, 32129), (8455, 9215), (8633, 9025)]