78181675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1151}}^1$

素因数の和:1204

約数の個数: 48

約数和(自身を含む): 119992320

約数和(自身を除く): 41810645

約数列:

[1, 5, 11, 13, 19, 25, 55, 65, 95, 143, 209, 247, 275, 325, 475, 715, 1045, 1151, 1235, 2717, 3575, 5225, 5755, 6175, 12661, 13585, 14963, 21869, 28775, 63305, 67925, 74815, 109345, 164593, 240559, 284297, 316525, 374075, 546725, 822965, 1202795, 1421485, 3127267, 4114825, 6013975, 7107425, 15636335, 78181675]

約数ペア:

[(1, 78181675), (5, 15636335), (11, 7107425), (13, 6013975), (19, 4114825), (25, 3127267), (55, 1421485), (65, 1202795), (95, 822965), (143, 546725), (209, 374075), (247, 316525), (275, 284297), (325, 240559), (475, 164593), (715, 109345), (1045, 74815), (1151, 67925), (1235, 63305), (2717, 28775), (3575, 21869), (5225, 14963), (5755, 13585), (6175, 12661)]