82778345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{691}}^1$

素因数の和:825

約数の個数: 32

約数和(自身を含む): 113930880

約数和(自身を除く): 31152535

約数列:

[1, 5, 13, 19, 65, 95, 97, 247, 485, 691, 1235, 1261, 1843, 3455, 6305, 8983, 9215, 13129, 23959, 44915, 65645, 67027, 119795, 170677, 335135, 853385, 871351, 1273513, 4356755, 6367565, 16555669, 82778345]

約数ペア:

[(1, 82778345), (5, 16555669), (13, 6367565), (19, 4356755), (65, 1273513), (95, 871351), (97, 853385), (247, 335135), (485, 170677), (691, 119795), (1235, 67027), (1261, 65645), (1843, 44915), (3455, 23959), (6305, 13129), (8983, 9215)]